Add user credentials to GitHub Pages deployment

Author: mmaxence

.github/workflows/deploy.yml

@@ -33,4 +33,6 @@ jobs:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./out
         force_orphan: true
+        user_name: 'github-actions[bot]'
+        user_email: 'github-actions[bot]@users.noreply.github.com'
         # cname: design.buzzvil.com  # Optional: if you have a custom domain