add missing permission to deploy to github pages

.github/workflows/pages.yml

@@ -27,11 +27,19 @@ jobs:
 
   # Deployment job
   deploy:
+    needs: build
+
+    # 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 }}
+
     runs-on: ubuntu-latest
-    needs: build
     steps:
       - name: Deploy to GitHub Pages
         id: deployment