Merge pull request #784 from arpitjain099/chore/declare-workflow-perms-readonly

ci: declare workflow-level `contents: read` on 1 workflows

Author: rahulait

.github/workflows/ci.yaml

@@ -22,6 +22,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   e2e-tests-nvidiadriver:
     runs-on: linux-amd64-cpu4