Bump ws from 6.2.1 to 6.2.2 in /admin

Bumps [ws](https://github.com/websockets/ws) from 6.2.1 to 6.2.2.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/commits)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

admin/yarn.lock

@@ -1439,8 +1439,8 @@ async-each@^1.0.1:
 
 async-limiter@~1.0.0:
   version "1.0.1"
-  resolved "https://registry.npm.taobao.org/async-limiter/download/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
-  integrity sha1-3TeelPDbgxCwgpH51kwyCXZmF/0=
+  integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
 async@^1.5.2:
   version "1.5.2"
@@ -8146,9 +8146,9 @@ write@^0.2.1:
     mkdirp "^0.5.1"
 
 ws@^6.0.0:
-  version "6.2.1"
+  version "6.2.2"
-  resolved "https://registry.npm.taobao.org/ws/download/ws-6.2.1.tgz?cache=0&sync_timestamp=1563547663785&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fws%2Fdownload%2Fws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.2.tgz#dd5cdbd57a9979916097652d78f1cc5faea0c32e"
-  integrity sha1-RC/fCkftZPWbal2P8TD0dI7VJPs=
+  integrity sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==
   dependencies:
     async-limiter "~1.0.0"