Add token permissions for CIs to fix issues reported by scorecard (#3867)

.github/workflows/coding_guidelines.yml

@@ -14,6 +14,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   compliance_job:
     runs-on: ubuntu-20.04