chore(deps): bump ws from 8.20.1 to 8.21.0

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
...

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

package.json

@@ -28,7 +28,7 @@
     "url": "https://github.com/ioBroker/ioBroker.hass"
   },
   "dependencies": {
-    "ws": "^8.20.1",
+    "ws": "^8.21.0",
     "@iobroker/adapter-core": "^3.3.2"
   },
   "devDependencies": {