Merge pull request #9345 from mr-raj12/ci-add-top-level-permissions

ci: add top-level permissions for least-privilege security, fixes #9344

Author: ThomasWaldmann

.github/workflows/ci.yml

@@ -25,6 +25,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
   cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
+permissions:
+  contents: read
+
 jobs:
   lint: