chore(workflows): add repository

.github/workflows/undesirable-test-additions.yaml

@@ -15,6 +15,7 @@ jobs:
           fetch-depth: 0 # Fetch all history for comparison
           sparse-checkout: true
           ref: ${{ github.event.pull_request.head.ref }}
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
       - name: Check for undesirable code
         run: |
           #!/bin/bash