ci: add pull-requests write permission for build comments

Signed-off-by: Mohammed Naser <mnaser@vexxhost.com>

Author: mnaser

.github/workflows/build.yml

@@ -15,6 +15,7 @@ jobs:
       contents: read
       id-token: write
       packages: write
+      pull-requests: write
     steps:
       - uses: vexxhost/docker-atmosphere/.github/actions/build-image@main
         with: