Bump gh-pages from 2.1.1 to 5.0.0

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
...

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