Update dependency @gitlab/ui to v17.21.0

package.json

@@ -41,7 +41,7 @@
     "@babel/preset-env": "^7.10.1",
     "@gitlab/at.js": "1.5.5",
     "@gitlab/svgs": "1.151.0",
-    "@gitlab/ui": "17.19.1",
+    "@gitlab/ui": "17.21.0",
     "@gitlab/visual-review-tools": "1.6.1",
     "@rails/actioncable": "^6.0.3-1",
     "@sentry/browser": "^5.10.2",

yarn.lock

@@ -848,10 +848,10 @@
   resolved "https://registry.yarnpkg.com/@gitlab/svgs/-/svgs-1.151.0.tgz#099905295d33eb31033f4a48eb3652da2f686239"
   integrity sha512-2PTSM8CFhUjeTFKfcq6E/YwPpOVdSVWupf3NhKO/bz/cisSBS5P7aWxaXKIaxy28ySyBKEfKaAT6b4rXTwvVgg==
 
-"@gitlab/ui@17.19.1":
-  version "17.19.1"
-  resolved "https://registry.yarnpkg.com/@gitlab/ui/-/ui-17.19.1.tgz#48c6d542b19fd6a420d22017e7026190aba1fd31"
-  integrity sha512-RA4QXzVWOjbK3gjX78Luhtmo1z6td1uOu8S01v+yu5Pc00HKIgN6pdDwPK8+WLCK2cnu368c457A901wSr82Gg==
+"@gitlab/ui@17.21.0":
+  version "17.21.0"
+  resolved "https://registry.yarnpkg.com/@gitlab/ui/-/ui-17.21.0.tgz#e881bac4540e3db29ee32e1dfd452677a445cd10"
+  integrity sha512-Ijh3QPlB3Y10Sk0f0eZ/rgRIKHGSzAWZLugw9sb+ppcn9OPbb+2vk0ZgCcdIrfkrX3G8tD8q0Ndl3K1nrz6a5g==
   dependencies:
     "@babel/standalone" "^7.0.0"
     "@gitlab/vue-toasted" "^1.3.0"