Update Pages workflow actions

Author: wienke

.github/workflows/pages.yml

@@ -24,15 +24,15 @@ jobs:
           cache: npm
       - run: npm ci
       - run: npm run build
-      - uses: actions/upload-pages-artifact@v2
+      - uses: actions/upload-pages-artifact@v3
         with:
           path: dist
   deploy:
     needs: build
     runs-on: ubuntu-latest
     environment:
       name: github-pages
-      url: \\${{ steps.deployment.outputs.page_url }}
+      url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4