fix(instance): ensure mutable user_data initialization before assignment

Author: Laure-di

scaleway/scaleway/instance/v1/custom_api.py

@@ -1,4 +1,4 @@
-from typing import Optional, Dict
+from typing import Optional, Dict, Mapping
 
 from requests import Response
 
@@ -92,7 +92,6 @@ def get_all_server_user_data(
             value = InstanceUtilsV1API.get_server_user_data(
                 self, server_id=param_server_id, key=key
             )
-            print("value: ", value)
             user_data[key] = value.content
 
         return GetAllServerUserDataResponse(user_data=user_data)