npm: bump ws from 8.4.0 to 8.4.2 in /dashboard (#1007)

Bumps [ws](https://github.com/websockets/ws) from 8.4.0 to 8.4.2.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.4.0...8.4.2)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

dashboard/package-lock.json

@@ -50,6 +50,6 @@
     "rollup-plugin-typescript": "^1.0.1",
     "ts-node": "^7.0.1",
     "typescript": "^4.5.4",
-    "ws": "^8.4.0"
+    "ws": "^8.4.2"
   }
 }