chore: bump the actions group with 2 updates (pyOpenSci#413)

Bumps the actions group with 2 updates: [peaceiris/actions-gh-pages](https://github.com/peaceiris/actions-gh-pages) and [actions/add-to-project](https://github.com/actions/add-to-project).


Updates `peaceiris/actions-gh-pages` from 3.8.0 to 4.0.0
- [Release notes](https://github.com/peaceiris/actions-gh-pages/releases)
- [Changelog](https://github.com/peaceiris/actions-gh-pages/blob/main/CHANGELOG.md)
- [Commits](peaceiris/actions-gh-pages@v3.8.0...v4.0.0)

Updates `actions/add-to-project` from 1.0.1 to 1.0.2
- [Release notes](https://github.com/actions/add-to-project/releases)
- [Commits](actions/add-to-project@v1.0.1...v1.0.2)

---
updated-dependencies:
- dependency-name: peaceiris/actions-gh-pages
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/add-to-project
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build-book.yml

@@ -56,7 +56,7 @@ jobs:
       - name: Push to GitHub Pages
         # Only push if on main branch
         if: github.ref == 'refs/heads/main'
-        uses: peaceiris/actions-gh-pages@v3.8.0
+        uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./_build/html

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - name: Add issue to project
         id: add-to-project
-        uses: actions/[email protected].1
+        uses: actions/[email protected].2
         with:
           project-url: https://github.com/orgs/pyOpenSci/projects/3
           # This is a organization level token so it can be used across all repos in our org