fix: gh-pages deployment switch from manually push to artifacts/deplo…

…y actions to a `gh-pages` branch

.github/workflows/gh-pages.yml

@@ -49,14 +49,15 @@ jobs:
           ls -laR ./build-demo
 
 
-      - name: Setup Pages
-        uses: actions/configure-pages@v5
-
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        # If you're changing the branch from main,
+        # also change the `main` in `refs/heads/main`
+        # below accordingly.
+        if: github.ref == 'refs/heads/main'
         with:
-          path: "./build-demo"
-
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build-demo
+          publish_branch: gh-pages # default: gh-pages
+          destination_dir: ./
+          enable_jekyll: true # yes for README.md