Update package-cleanup.yml

Signed-off-by: Victor Chang <[email protected]>

Author: mocsharp

.github/workflows/package-cleanup.yml

@@ -43,6 +43,7 @@ jobs:
         package-type: container
         min-versions-to-keep: 10
         delete-only-pre-release-versions: "true"
+        ignore-versions: '^0\.[\d]+\.[\d]+$'
 
   container-untagged-cleanup:
     name: delete untagged monai-deploy-informatics-gateway