Changed workflow to publish from release branch.

Author: wolstaeb

.github/workflows/gh-publish.yml

@@ -44,7 +44,7 @@ jobs:
 
       - name: Publish site
         uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.ref == 'refs/heads/main' }}
+        if: ${{ github.ref == 'refs/heads/release' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           enable_jekyll: false