Bump gh-pages from 2.0.1 to 5.0.0

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 2.0.1 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@v2.0.1...v5.0.0)

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

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

Author: dependabot[bot]