Checkout sources from workflow head

Author: OptimumCode

.github/workflows/benchmark-upload.yml

@@ -33,6 +33,9 @@ jobs:
     steps:
       - name: 'Checkout Repository'
         uses: actions/checkout@v4
+        with:
+          repository: ${{ github.event.workflow_run.head_repository }}
+          ref: ${{ github.event.workflow_run.head_sha }}
       - name: Download benchmark results
         uses: dawidd6/action-download-artifact@v6
         with: