Add GraalVM check for the pull requests

Author: kalaiyarasiganeshalingam

.github/workflows/build-with-bal-test-native.yml

@@ -17,6 +17,14 @@ on:
         default: ''
   schedule:
     -   cron: '30 18 * * *'
+  pull_request:
+    branches:
+      - master
+    types: [ opened, synchronize, reopened, labeled, unlabeled ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
 
 jobs:
   call_stdlib_workflow: