Merge pull request #4 from pnavaro/dependabot/github_actions/peaceiris/actions-gh-pages-4

Bump peaceiris/actions-gh-pages from 3 to 4

Author: pnavaro

.github/workflows/book.yml

@@ -26,7 +26,7 @@ jobs:
       shell: bash -l {0}
       run: conda run -n runenv jupyter-book build notebooks
     - name: GitHub Pages action
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./notebooks/_build/html