GitHub Actions cleanup (#32755)

* lowercase `runner.os`
* remove `CI` environment variable since it's already set by the runner

7 files changed, 12 insertions, 19 deletions

diff --git a/.github/workflows/browserstack.yml b/.github/workflows/browserstack.yml
index 917ccc188d..ea0a257048 100644
--- a/.github/workflows/browserstack.yml
+++ b/.github/workflows/browserstack.yml
@@ -4,7 +4,6 @@ on:
   push:
 
 env:
-  CI: true
   FORCE_COLOR: 2
   NODE: 14.x
 
@@ -29,8 +28,8 @@ jobs:
           path: ~/.npm
           key: ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
           restore-keys: |
-            ${{ runner.OS }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
-            ${{ runner.OS }}-node-v${{ env.NODE }}-
+            ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.os }}-node-v${{ env.NODE }}-
 
       - name: Install npm dependencies
         run: npm ci
diff --git a/.github/workflows/bundlewatch.yml b/.github/workflows/bundlewatch.yml
index 03b3a2b52d..989991f0dd 100644
--- a/.github/workflows/bundlewatch.yml
+++ b/.github/workflows/bundlewatch.yml
@@ -7,7 +7,6 @@ on:
   pull_request:
 
 env:
-  CI: true
   FORCE_COLOR: 2
   NODE: 14.x
 
@@ -30,8 +29,8 @@ jobs:
           path: ~/.npm
           key: ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
           restore-keys: |
-            ${{ runner.OS }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
-            ${{ runner.OS }}-node-v${{ env.NODE }}-
+            ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.os }}-node-v${{ env.NODE }}-
 
       - name: Install npm dependencies
         run: npm ci
diff --git a/.github/workflows/css.yml b/.github/workflows/css.yml
index 7fb9470055..4463d52f4a 100644
--- a/.github/workflows/css.yml
+++ b/.github/workflows/css.yml
@@ -7,7 +7,6 @@ on:
   pull_request:
 
 env:
-  CI: true
   FORCE_COLOR: 2
   NODE: 14.x
 
@@ -30,8 +29,8 @@ jobs:
           path: ~/.npm
           key: ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
           restore-keys: |
-            ${{ runner.OS }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
-            ${{ runner.OS }}-node-v${{ env.NODE }}-
+            ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.os }}-node-v${{ env.NODE }}-
 
       - name: Install npm dependencies
         run: npm ci
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d2529cbfed..cda6f77489 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -7,7 +7,6 @@ on:
   pull_request:
 
 env:
-  CI: true
   FORCE_COLOR: 2
   NODE: 14.x
 
@@ -32,8 +31,8 @@ jobs:
           path: ~/.npm
           key: ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
           restore-keys: |
-            ${{ runner.OS }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
-            ${{ runner.OS }}-node-v${{ env.NODE }}-
+            ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.os }}-node-v${{ env.NODE }}-
 
       - name: Install npm dependencies
         run: npm ci
diff --git a/.github/workflows/js.yml b/.github/workflows/js.yml
index 09c110fc84..c56a2dfdd1 100644
--- a/.github/workflows/js.yml
+++ b/.github/workflows/js.yml
@@ -7,7 +7,6 @@ on:
   pull_request:
 
 env:
-  CI: true
   FORCE_COLOR: 2
 
 jobs:
@@ -35,8 +34,8 @@ jobs:
           path: ~/.npm
           key: ${{ runner.os }}-node-v${{ matrix.node }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}}
           restore-keys: |
-            ${{ runner.OS }}-node-v${{ matrix.node }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
-            ${{ runner.OS }}-node-v${{ matrix.node }}-
+            ${{ runner.os }}-node-v${{ matrix.node }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.os }}-node-v${{ matrix.node }}-
 
       - name: Install npm dependencies
         run: npm ci
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 30c434984f..e7a55083d7 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -7,7 +7,6 @@ on:
   pull_request:
 
 env:
-  CI: true
   FORCE_COLOR: 2
   NODE: 14.x
 
@@ -30,8 +29,8 @@ jobs:
           path: ~/.npm
           key: ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
           restore-keys: |
-            ${{ runner.OS }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
-            ${{ runner.OS }}-node-v${{ env.NODE }}-
+            ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.os }}-node-v${{ env.NODE }}-
 
       - name: Install npm dependencies
         run: npm ci
diff --git a/.github/workflows/node-sass.yml b/.github/workflows/node-sass.yml
index 9e9cffa404..285d4bcc80 100644
--- a/.github/workflows/node-sass.yml
+++ b/.github/workflows/node-sass.yml
@@ -7,7 +7,6 @@ on:
   pull_request:
 
 env:
-  CI: true
   FORCE_COLOR: 2
   NODE: 14.x