fix(deps): bump ws from 8.20.0 to 8.21.0

Bumps [ws](https://github.com/websockets/ws) from 8.20.0 to 8.21.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.20.0...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

@@ -8188,9 +8188,9 @@ write-file-atomic@^3.0.0:
     typedarray-to-buffer "^3.1.5"
 
 ws@^8.15.0:
-  version "8.20.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.20.0.tgz#4cd9532358eba60bc863aad1623dfb045a4d4af8"
-  integrity sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==
+  version "8.21.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.21.0.tgz#012e413fc07429945121b0c153158c4343086951"
+  integrity sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==
 
 xml2js@^0.6.2:
   version "0.6.2"