Update yarn checksums

According to
https://classic.yarnpkg.com/en/docs/cli/install#toc-yarn-install-update-checksums:

```
rm yarn.lock
yarn install --update-checksums
```

1 files changed, 4 insertions, 4 deletions

diff --git a/yarn.lock b/yarn.lock
index 49f66683..4580d54d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2009,7 +2009,7 @@ bluebird@^3.1.1:
 boolbase@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
-  integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
+  integrity sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww==
 
 bootstrap-vue@2.20.1:
   version "2.20.1"
@@ -2122,7 +2122,7 @@ caniuse-lite@^1.0.30001332:
 chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
-  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
+  integrity sha512-U3lRVLMSlsCfjqYPbLyVv11M9CPW4I728d6TCKMAOJueEeB9/8o+eSsMnxPJD+Q+K909sdESg7C+tIkoH6on1A==
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -2155,7 +2155,7 @@ char-regex@^1.0.2:
 character-parser@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/character-parser/-/character-parser-2.2.0.tgz#c7ce28f36d4bcd9744e5ffc2c5fcde1c73261fc0"
-  integrity sha1-x84o821LzZdE5f/CxfzeHHMmH8A=
+  integrity sha512-+UqJQjFEFaTAs3bNsF2j2kEN1baG/zghZbdqoYEDxGZtJo9LBzl1A+m0D4n3qKx8N2FNv8/Xp6yV9mQmBuptaw==
   dependencies:
     is-regex "^1.0.3"
 
@@ -2199,7 +2199,7 @@ clean-css@^4.1.11:
 clean-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/clean-regexp/-/clean-regexp-1.0.0.tgz#8df7c7aae51fd36874e8f8d05b9180bc11a3fed7"
-  integrity sha1-jffHquUf02h06PjQW5GAvBGj/tc=
+  integrity sha512-GfisEZEJvzKrmGWkvfhgzcz/BllN1USeqD2V6tg14OAOgaCD2Z/PUEuxnAZ/nPvmaHRG7a8y77p1T/IRQ4D1Hw==
   dependencies:
     escape-string-regexp "^1.0.5"