fix(deps): bump ws from 8.18.0 to 8.21.0

Bumps [ws](https://github.com/websockets/ws) from 8.18.0 to 8.21.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.18.0...8.21.0)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.21.0
  dependency-type: indirect
...

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

Author: dependabot[bot]

yarn.lock

@@ -7286,9 +7286,9 @@ write-file-atomic@^3.0.0:
     typedarray-to-buffer "^3.1.5"
 
 ws@^8.15.0:
-  version "8.18.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.0.tgz#0d7505a6eafe2b0e712d232b42279f53bc289bbc"
-  integrity sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==
+  version "8.21.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.21.0.tgz#012e413fc07429945121b0c153158c4343086951"
+  integrity sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==
 
 wsl-utils@^0.1.0:
   version "0.1.0"