Merge pull request #79 from ResearchObject/dependabot/github_actions/peaceiris/actions-gh-pages-4

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

Author: simleo

.github/workflows/docs.yml

@@ -22,7 +22,7 @@ jobs:
       - name: build docs
         run: tox -e docs
       - name: publish docs
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: dist/docs