ci: delete 200 unused manifests every hour

.github/workflows/clean-manifests.yaml

@@ -1,6 +1,8 @@
 name: Clean manifests
 
 on:
+  schedule:
+    - cron: "20 * * * *"
   workflow_dispatch:
 
 permissions: {}
@@ -32,18 +34,18 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: List the manifests to delete
+      - name: Delete the unused manifests
         env:
           GH_TOKEN: ${{ secrets.GHCR_CLEANUP_TOKEN }}
           DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_CLEANUP_USERNAME }}
           DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_CLEANUP_TOKEN }}
-        run: scripts/clean-manifests.sh
+        run: scripts/clean-manifests.sh --delete 200
 
-      - name: Upload the list of manifests to delete
+      - name: Upload the list of deleted manifests
         if: ${{ always() }}
         uses: actions/upload-artifact@v7.0.2
         with:
-          name: manifests-to-delete
-          path: scripts/manifests-to-delete.tsv
+          name: deleted-manifests
+          path: scripts/deleted-manifests.tsv
           if-no-files-found: ignore
           retention-days: 90