Merge pull request #194 from matplotlib/dependabot/github_actions/peaceiris/actions-gh-pages-4.0.0

Bump peaceiris/actions-gh-pages from 3.9.3 to 4.0.0

Author: QuLogic

.github/workflows/gh-pages.yml

@@ -32,7 +32,7 @@ jobs:
           make -C docs html O="-t release"
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3.9.3
+        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs/build/html