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](tschaub/gh-pages@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

@@ -54,7 +54,7 @@
     "clean-webpack-plugin": "4.0.0",
     "css-loader": "6.7.3",
     "file-loader": "6.2.0",
-    "gh-pages": "5.0.0",
+    "gh-pages": "6.1.1",
     "html-webpack-plugin": "5.5.1",
     "linspace": "1.0.2",
     "logspace": "1.0.3",