Add write permission for contents in docs-deploy workflow

This change updates the GitHub Actions workflow to include `contents: write` permission. It ensures that the workflow can properly interact with repository contents during the deployment process.

.github/workflows/docs-deploy.yml

@@ -7,6 +7,7 @@ on:
 permissions:
   id-token: write
   pages: write
+  contents: write
 
 jobs:
   deploy: