build(deps): bump ws from 8.20.1 to 8.21.0 (#5039)

Bumps [ws](https://github.com/websockets/ws) from 8.20.1 to 8.21.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/8.20.1...8.21.0)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/gateway/package.json

@@ -27,7 +27,7 @@
   "dependencies": {
     "@discordeno/types": "workspace:^",
     "@discordeno/utils": "workspace:^",
-    "ws": "^8.20.1"
+    "ws": "^8.21.0"
   },
   "optionalDependencies": {
     "fzstd": "^0.1.1"