build(deps-dev): bump github-pages from 222 to 223 in /docs

Bumps [github-pages](https://github.com/github/pages-gem) from 222 to 223.
- [Release notes](https://github.com/github/pages-gem/releases)
- [Commits](https://github.com/github/pages-gem/compare/v222...v223)

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

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