Bump gh-pages from 4.0.0 to 6.1.1

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 4.0.0 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](tschaub/gh-pages@v4.0.0...v6.1.1)

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

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

package.json

@@ -117,7 +117,7 @@
     "env-cmd": "^10.1.0",
     "eslint": "^8.28.0",
     "gatsby-plugin-webpack-bundle-analyser-v2": "^1.1.30",
-    "gh-pages": "^4.0.0",
+    "gh-pages": "^6.1.1",
     "husky": "^8.0.3",
     "rimraf": "^3.0.2",
     "webpack-cli": "^5.0.2"