npm: bump ws from 8.6.0 to 8.8.0 in /dashboard (#1214)

Bumps [ws](https://github.com/websockets/ws) from 8.6.0 to 8.8.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.6.0...8.8.0)

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

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": "^10.8.0",
     "typescript": "^4.7.3",
-    "ws": "^8.6.0"
+    "ws": "^8.8.0"
   }
 }