Update dependency @gitlab/ui to v21.2.1

package.json

@@ -43,7 +43,7 @@
     "@babel/preset-env": "^7.10.1",
     "@gitlab/at.js": "1.5.5",
     "@gitlab/svgs": "1.164.0",
-    "@gitlab/ui": "21.0.0",
+    "@gitlab/ui": "21.2.1",
     "@gitlab/visual-review-tools": "1.6.1",
     "@rails/actioncable": "^6.0.3-1",
     "@sentry/browser": "^5.22.3",

yarn.lock

@@ -848,10 +848,10 @@
   resolved "https://registry.yarnpkg.com/@gitlab/svgs/-/svgs-1.164.0.tgz#6cefad871c45f945ef92b99015d0f510b1d2de4a"
   integrity sha512-a9e/cYUc1QQk7azjH4x/m6/p3icavwGEi5F9ipNlDqiJtUor5tqojxvMxPOhuVbN/mTwnC6lGsSZg4tqTsdJAQ==
 
-"@gitlab/ui@21.0.0":
-  version "21.0.0"
-  resolved "https://registry.yarnpkg.com/@gitlab/ui/-/ui-21.0.0.tgz#3e3b725fbce21dd9d2dc290c19111b49014d4700"
-  integrity sha512-3uiqhRXZurbZsGZ3YpuTGnEfZPNcatG13ynJNuHKTH6CjwlYsjxlxKnTcSHPFnrbfy+bmSfcFYs0nDQsA1xcTA==
+"@gitlab/ui@21.2.1":
+  version "21.2.1"
+  resolved "https://registry.yarnpkg.com/@gitlab/ui/-/ui-21.2.1.tgz#260e308e82374224095aea59a891f8a458eace3e"
+  integrity sha512-9ne5kPMGCVHSSeWmMzcnXgB4JPKhbVQ520FvM+z3MkvTaQrxhh4H/wKD4durBusTokbrRXsOhqtuV/NI1WJjDQ==
   dependencies:
     "@babel/standalone" "^7.0.0"
     "@gitlab/vue-toasted" "^1.3.0"