Test direct GitHub Pages deployment

.github/workflows/documentation.yml

@@ -29,6 +29,7 @@ env:
 
 permissions:
   contents: write
+  id-token: write
 
 jobs:
   documentation:
@@ -86,12 +87,6 @@ jobs:
           mkdocs build --clean
           mkdocs --version
 
-      - name: Fix permissions
-        run: |
-          chmod -c -R +rX site/ | while read line; do
-            echo "::warning title=Invalid file permissions automatically fixed::$line"
-          done
-
       - name: Upload to GitHub Pages
         uses: actions/upload-pages-artifact@v2
         with: