Update clean-cache.yml

Author: mayeut

.github/workflows/clean-cache.yml

@@ -25,5 +25,6 @@ jobs:
     steps:
       - uses: dataaxiom/ghcr-cleanup-action@cd0cdb900b5dbf3a6f2cc869f0dbb0b8211f50c4 # v1.0.16
         with:
+          package: manylinux-cache
           delete-untagged: true
           dry-run: true  # github.event_name == 'workflow_dispatch' && fromJSON(github.event.inputs.dry-run)