Remove repository input from checkout step

Author: reakaleek

.github/workflows/preview-build.yml

@@ -53,7 +53,6 @@ jobs:
         if: github.event_name == 'push' || steps.check-files.outputs.any_changed == 'true'
         uses: actions/checkout@v4
         with: 
-          repository: '${{ github.event.pull_request.head.repo.full_name || github.repository }}'
           ref: ${{ github.event.pull_request.head.sha || github.ref }}
           persist-credentials: false