Adding repository parameter

This is to pick from forked branch

.github/workflows/azure-login-pr-check.yml

@@ -13,6 +13,7 @@ jobs:
        - name: Checkout from PR branch  
          uses: actions/checkout@v2
          with: 
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.event.pull_request.head.ref }}
 
          # Using 12.x version as an example