Remove image artifacts for Comment workflow (#69)

.github/workflows/cleanup.yml

@@ -2,7 +2,7 @@
 name: Delete image artifacts
 on:
   workflow_run:
-    workflows: [CI]
+    workflows: [CI, Comment]
     types:
       - completed
 
@@ -18,4 +18,4 @@ jobs:
           for ai in $(gh api /repos/${{ github.repository }}/actions/runs/$wri/artifacts | jq '.artifacts[] | select( .name | startswith("cvat"))  | .id');
           do
             gh api --method DELETE /repos/${{ github.repository }}/actions/artifacts/$ai
-          done
+          done