Expand concurrency definition

Author: gojimmypi

.github/workflows/test-library.yml

@@ -18,7 +18,7 @@ jobs:
 
     concurrency:
       # Avoid duplicate runs on the same ref
-      group: ${{ github.workflow }}-${{ github.ref }}
+      group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.pull_request.head.sha || github.sha }}
       cancel-in-progress: false
 
     strategy: