fix: add ref specification for checkout step in integration workflow

Author: gyaneshgouraw-okta

.github/workflows/integration.yml

@@ -45,6 +45,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
 
       - name: Install dependencies
         run: npm ci