Changing badges to use parentheses not brackets

Previously, we used brackets to denote the tier badges,
but this made Kramdown, the docs site Markdown renderer,
show many warnings when building the site. This is now
fixed by using parentheses instead of square brackets.

This was caused by [PREMIUM] looking like a link to
Kramdown, which couldn't find a URL there.

See:
- https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/484
- https://gitlab.com/gitlab-org/gitlab-ce/issues/63800

4 files changed, 27 insertions, 27 deletions

diff --git a/doc/user/project/merge_requests/browser_performance_testing.md b/doc/user/project/merge_requests/browser_performance_testing.md
index f6c4f767e3c..e95ab7d02c4 100644
--- a/doc/user/project/merge_requests/browser_performance_testing.md
+++ b/doc/user/project/merge_requests/browser_performance_testing.md
@@ -2,7 +2,7 @@
 type: reference, howto
 ---
 
-# Browser Performance Testing **[PREMIUM]**
+# Browser Performance Testing **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/3507)
 in [GitLab Premium](https://about.gitlab.com/pricing/) 10.3.
diff --git a/doc/user/project/merge_requests/code_quality.md b/doc/user/project/merge_requests/code_quality.md
index c3c2bdd94b3..ad1d79ae5b1 100644
--- a/doc/user/project/merge_requests/code_quality.md
+++ b/doc/user/project/merge_requests/code_quality.md
@@ -2,7 +2,7 @@
 type: reference, howto
 ---
 
-# Code Quality **[STARTER]**
+# Code Quality **(STARTER)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1984)
 in [GitLab Starter](https://about.gitlab.com/pricing/) 9.3.
diff --git a/doc/user/project/merge_requests/index.md b/doc/user/project/merge_requests/index.md
index 169b10572b0..37a0630d0f3 100644
--- a/doc/user/project/merge_requests/index.md
+++ b/doc/user/project/merge_requests/index.md
@@ -37,16 +37,16 @@ With GitLab merge requests, you can:
 
 With **[GitLab Enterprise Edition][ee]**, you can also:
 
-- Prepare a full review and submit it once it's ready with [Merge Request Reviews](../../discussions/index.md#merge-request-reviews-premium) **[PREMIUM]**
-- View the deployment process across projects with [Multi-Project Pipelines](../../../ci/multi_project_pipelines.md) **[PREMIUM]**
-- Request [approvals](merge_request_approvals.md) from your managers **[STARTER]**
-- Analyze the impact of your changes with [Code Quality reports](code_quality.md) **[STARTER]**
-- Manage the licenses of your dependencies with [License Management](../../application_security/license_management/index.md) **[ULTIMATE]**
-- Analyze your source code for vulnerabilities with [Static Application Security Testing](../../application_security/sast/index.md) **[ULTIMATE]**
-- Analyze your running web applications for vulnerabilities with [Dynamic Application Security Testing](../../application_security/dast/index.md) **[ULTIMATE]**
-- Analyze your dependencies for vulnerabilities with [Dependency Scanning](../../application_security/dependency_scanning/index.md) **[ULTIMATE]**
-- Analyze your Docker images for vulnerabilities with [Container Scanning](../../application_security/container_scanning/index.md) **[ULTIMATE]**
-- Determine the performance impact of changes with [Browser Performance Testing](#browser-performance-testing-premium) **[PREMIUM]**
+- Prepare a full review and submit it once it's ready with [Merge Request Reviews](../../discussions/index.md#merge-request-reviews-premium) **(PREMIUM)**
+- View the deployment process across projects with [Multi-Project Pipelines](../../../ci/multi_project_pipelines.md) **(PREMIUM)**
+- Request [approvals](merge_request_approvals.md) from your managers **(STARTER)**
+- Analyze the impact of your changes with [Code Quality reports](code_quality.md) **(STARTER)**
+- Manage the licenses of your dependencies with [License Management](../../application_security/license_management/index.md) **(ULTIMATE)**
+- Analyze your source code for vulnerabilities with [Static Application Security Testing](../../application_security/sast/index.md) **(ULTIMATE)**
+- Analyze your running web applications for vulnerabilities with [Dynamic Application Security Testing](../../application_security/dast/index.md) **(ULTIMATE)**
+- Analyze your dependencies for vulnerabilities with [Dependency Scanning](../../application_security/dependency_scanning/index.md) **(ULTIMATE)**
+- Analyze your Docker images for vulnerabilities with [Container Scanning](../../application_security/container_scanning/index.md) **(ULTIMATE)**
+- Determine the performance impact of changes with [Browser Performance Testing](#browser-performance-testing-premium) **(PREMIUM)**
 
 ## Use cases
 
@@ -54,9 +54,9 @@ A. Consider you are a software developer working in a team:
 
 1. You checkout a new branch, and submit your changes through a merge request
 1. You gather feedback from your team
-1. You work on the implementation optimizing code with [Code Quality reports](code_quality.md) **[STARTER]**
+1. You work on the implementation optimizing code with [Code Quality reports](code_quality.md) **(STARTER)**
 1. You verify your changes with [JUnit test reports](../../../ci/junit_test_reports.md) in GitLab CI/CD
-1. You avoid using dependencies whose license is not compatible with your project with [License Management reports](license_management.md) **[ULTIMATE]**
+1. You avoid using dependencies whose license is not compatible with your project with [License Management reports](license_management.md) **(ULTIMATE)**
 1. You request the [approval](#merge-request-approvals-starter) from your manager
 1. Your manager pushes a commit with their final review, [approves the merge request](merge_request_approvals.md), and set it to [merge when pipeline succeeds](#merge-when-pipeline-succeeds) (Merge Request Approvals are available in GitLab Starter)
 1. Your changes get deployed to production with [manual actions](../../../ci/yaml/README.md#whenmanual) for GitLab CI/CD
@@ -68,7 +68,7 @@ B. Consider you're a web developer writing a webpage for your company's website:
 1. You gather feedback from your reviewers
 1. Your changes are previewed with [Review Apps](../../../ci/review_apps/index.md)
 1. You request your web designers for their implementation
-1. You request the [approval](merge_request_approvals.md) from your manager **[STARTER]**
+1. You request the [approval](merge_request_approvals.md) from your manager **(STARTER)**
 1. Once approved, your merge request is [squashed and merged](squash_and_merge.md), and [deployed to staging with GitLab Pages](https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/)
 1. Your production team [cherry picks](#cherry-pick-changes) the merge commit into production
 
@@ -172,7 +172,7 @@ in a Merge Request. To do so, click the **...** button in the gutter of the Merg
 
 ![Comment on any diff file line](img/comment-on-any-diff-line.png)
 
-## Perform a Review **[PREMIUM]**
+## Perform a Review **(PREMIUM)**
 
 Start a review in order to create multiple comments on a diff and publish them once you're ready.
 Starting a review allows you to get all your thoughts in order and ensure you haven't missed anything
@@ -197,7 +197,7 @@ can easily apply them to the codebase directly from the UI. Read
 through the documentation on [Suggest changes](../../discussions/index.md#suggest-changes)
 to learn more.
 
-## Multiple assignees **[STARTER]**
+## Multiple assignees **(STARTER)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/2004)
 in [GitLab Starter 11.11](https://about.gitlab.com/pricing).
@@ -364,7 +364,7 @@ have been marked as a **Work In Progress**.
 
 [Learn more about setting a merge request as "Work In Progress".](work_in_progress_merge_requests.md)
 
-## Merge request approvals **[STARTER]**
+## Merge request approvals **(STARTER)**
 
 > Included in [GitLab Starter][products].
 
@@ -375,7 +375,7 @@ list of approvers that will need to approve every merge request in a project.
 
 [Read more about merge request approvals.](merge_request_approvals.md)
 
-## Code Quality **[STARTER]**
+## Code Quality **(STARTER)**
 
 > Introduced in [GitLab Starter][products] 9.3.
 
@@ -385,7 +385,7 @@ can show the Code Climate report right in the merge request widget area.
 
 [Read more about Code Quality reports.](code_quality.md)
 
-## Browser Performance Testing **[PREMIUM]**
+## Browser Performance Testing **(PREMIUM)**
 
 > Introduced in [GitLab Premium][products] 10.3.
 
@@ -395,7 +395,7 @@ GitLab runs the [Sitespeed.io container][sitespeed-container] and displays the d
 
 [Read more about Browser Performance Testing.](browser_performance_testing.md)
 
-## Security reports **[ULTIMATE]**
+## Security reports **(ULTIMATE)**
 
 GitLab can scan and report any vulnerabilities found in your project.
 
diff --git a/doc/user/project/merge_requests/merge_request_approvals.md b/doc/user/project/merge_requests/merge_request_approvals.md
index 8e8ec26daf2..0f392676316 100644
--- a/doc/user/project/merge_requests/merge_request_approvals.md
+++ b/doc/user/project/merge_requests/merge_request_approvals.md
@@ -2,7 +2,7 @@
 type: reference, concepts
 ---
 
-# Merge request approvals **[STARTER]**
+# Merge request approvals **(STARTER)**
 
 > Introduced in [GitLab Enterprise Edition 7.12](https://about.gitlab.com/2015/06/22/gitlab-7-12-released/#merge-request-approvers-ee-only).
 
@@ -64,7 +64,7 @@ suitable to your workflow:
   [overridden per merge request](#overriding-the-merge-request-approvals-default-settings)
 - Choose whether [approvals will be reset with new pushed commits](#resetting-approvals-on-push)
 
-## Editing approvals **[PREMIUM]**
+## Editing approvals **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/1979) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.8.
 
@@ -85,7 +85,7 @@ request approval rules:
 
     ![Approvals premium project edit](img/approvals_premium_project_edit.png)
 
-## Multiple approval rules **[PREMIUM]**
+## Multiple approval rules **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/1979) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.8.
 
@@ -165,7 +165,7 @@ are other conditions that may block it, such as merge conflicts,
 [pending discussions](../../discussions/index.md#only-allow-merge-requests-to-be-merged-if-all-discussions-are-resolved)
 or a [failed CI/CD pipeline](merge_when_pipeline_succeeds.md).
 
-## Code Owners approvals **[PREMIUM]**
+## Code Owners approvals **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/4418) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.9.
 
@@ -237,7 +237,7 @@ If you are contributing to a forked project, things are a little different.
 Read what happens  when the
 [source and target branches are not the same](#merge-requests-with-different-source-branch-and-target-branch-projects).
 
-## Overriding merge request approvals default settings **[PREMIUM]**
+## Overriding merge request approvals default settings **(PREMIUM)**
 
 In GitLab Premium, when the approval rules are [set at the project level](#editing-approvals-premium), and
 **Can override approvers and approvals required per merge request** is checked, there are a few more
@@ -295,7 +295,7 @@ enabling [**Prevent approval of merge requests by their committers**](#prevent-a
 1. Tick the checkbox **Prevent approval of merge requests by their committers**.
 1. Click **Save changes**.
 
-## Require authentication when approving a merge request **[STARTER]**
+## Require authentication when approving a merge request **(STARTER)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/5981) in [GitLab Starter](https://about.gitlab.com/pricing/) 12.0.