Bump gh-pages from 2.1.1 to 5.0.0 in /frontend

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 2.1.1 to 5.0.0.
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/main/changelog.md)
- [Commits](tschaub/gh-pages@v2.1.1...v5.0.0)

---
updated-dependencies:
- dependency-name: gh-pages
  dependency-type: direct:development
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -45,7 +45,7 @@
     "@types/classnames": "^2.2.7",
     "@types/socket.io-client": "^1.4.32",
     "@types/uuid": "^3.4.4",
-    "gh-pages": "^2.1.1"
+    "gh-pages": "^5.0.0"
   },
   "homepage": "https://inovex.github.io/cocktail-mash"
 }