build(deps): bump JamesIves/github-pages-deploy-action

Bumps [JamesIves/github-pages-deploy-action](https://github.com/JamesIves/github-pages-deploy-action) from 4.1.8 to 4.2.1.
- [Release notes](https://github.com/JamesIves/github-pages-deploy-action/releases)
- [Commits](https://github.com/JamesIves/github-pages-deploy-action/compare/4.1.8...4.2.1

)

---
updated-dependencies:
- dependency-name: JamesIves/github-pages-deploy-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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