Do not run compliance on branch ad-hoc-group

Author: gfiumara

.github/workflows/run-cts-pr.yml

@@ -11,7 +11,7 @@ jobs:
     name: Run CTS
 
     runs-on: ${{ matrix.config.os }}
-    if: ${{ github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' }}
+    if: ${{ github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.pull_requests[0].base.ref != 'ad-hoc-group' }}
     strategy:
       fail-fast: false
       matrix: