Fix: Change contents permission to write for commit comments

The workflow needs 'contents: write' permission to create commit comments,
not just 'contents: read'.

Fixes: Resource not accessible by integration error when posting deployment status

Author: beonde

.github/workflows/deploy.yml

@@ -26,7 +26,7 @@ concurrency:
 
 # Required permissions for GitHub Deployments and Cloudflare Pages
 permissions:
-  contents: read
+  contents: write  # Changed from read to write for commit comments
   deployments: write
   pull-requests: write