Correct repo name from workflow run event

Author: OptimumCode

Diff for: .github/workflows/benchmark-upload.yml

@@ -34,7 +34,7 @@ jobs:
       - name: 'Checkout Repository'
         uses: actions/checkout@v4
         with:
-          repository: ${{ github.event.workflow_run.head_repository.name }}
+          repository: ${{ github.event.workflow_run.head_repository.full_name }}
           ref: ${{ github.event.workflow_run.head_sha }}
       - name: Download benchmark results
         uses: dawidd6/action-download-artifact@v6