Bump gh-pages from 5.0.0 to 6.1.1

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 5.0.0 to 6.1.1.
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/main/changelog.md)
- [Commits](https://github.com/tschaub/gh-pages/compare/v5.0.0...v6.1.1)

---
updated-dependencies:
- dependency-name: gh-pages
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -35,7 +35,7 @@
     "chokidar": "^3.2.1",
     "escape-string-regexp": "^2.0.0",
     "eslint": "^8.9.0",
-    "gh-pages": "^5.0.0",
+    "gh-pages": "^6.1.1",
     "glob": "^7.1.4",
     "html-minifier-terser": "^7.2.0",
     "istanbul": "^0.4.5",