fixup permissions for doc building gh action

Author: Jolanrensen

.github/workflows/main.yml

@@ -75,7 +75,7 @@ jobs:
         with:
           args: unzip -qq ${{ env.ARTIFACT }} -d dir
       - name: Fix permissions
-        run: sudo chmod -R +w dir
+        run: sudo chown -R $USER:$USER dir
       - name: Generate llms.txt index
         run: node docs/scripts/llms/generate-llms-index.mjs dir
       - name: Setup Pages