fix: migration tool will migrate workloads (#320)

Co-authored-by: anrs <anders.hu@shopee.com>

Author: anrs

scripts/meta_transfer_as_rename2workload.py

@@ -215,7 +215,7 @@ def _trans_deploy(self, deploy_key, orig_value):
         if not self._belong_pod(nodename):
             return
 
-        self.workloads.update(wrk_id)
+        self.workloads.update({wrk_id})
 
         new_key = os.path.join(self.meta.new_root_prefix, self.deploy_prefix, appname, entrypoint, nodename, wrk_id)
         wrk = self.conv(orig_value, self.node_transfer)