Modernize GitHub workflow

.github/workflows/render-dpans.yml

@@ -54,9 +54,29 @@ jobs:
           echo -e '</head>\n' >> /tmp/output/index.html
           echo -e '</html>\n' >> /tmp/output/index.html
 
-      - name: deploy-pages
-        uses: peaceiris/actions-gh-pages@v3
+      - name: Create artifact
+        uses: actions/upload-pages-artifact@v3
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: /tmp/output
-          destination_dir: ./docs
+          path: /tmp/output
+
+  # Deploy to GitHub pages if main branch
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+    # if: github.ref == 'refs/heads/main'
+
+    # Grant GITHUB_TOKEN the permissions required to make a Pages
+    # deployment
+    permissions:
+      pages: write    # to deploy to Pages
+      id-token: write # to verify the deployment originates from an appropriate source
+
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4