chore(actions): do not run pana action for customer_testing branch

.github/workflows/pana_analysis.yml

@@ -4,7 +4,7 @@ on: [pull_request, workflow_dispatch]
 jobs:
   package-analysis:
     runs-on: ubuntu-latest
-    if: github.ref != 'refs/heads/customer_testing'
+    if: github.base_ref != 'customer_testing'
 
     steps:
       - uses: actions/checkout@v3