Merge pull request #45 from mxstack/dependabot/github_actions/peaceiris/actions-gh-pages-4

[chore] Bump peaceiris/actions-gh-pages from 3 to 4

Author: jensens

.github/workflows/docs.yml

@@ -26,7 +26,7 @@ jobs:
       run: make docs
 
     - name: Deploy Docs
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       if: ${{ github.event_name == 'workflow_dispatch' }}
       with:
         publish_branch: gh-pages