Bump gh-pages from 3.2.3 to 5.0.0 in /client

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 3.2.3 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@v3.2.3...v5.0.0)

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

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

client/package.json

@@ -46,6 +46,6 @@
     ]
   },
   "devDependencies": {
-    "gh-pages": "^3.1.0"
+    "gh-pages": "^5.0.0"
   }
 }