Bug fix: support output type with execute_operation

Author: dandavison

temporalio/workflow.py

@@ -5204,12 +5204,14 @@ async def execute_operation(
         ],
         input: I,
         *,
+        output_type: Optional[Type[O]] = None,
         schedule_to_close_timeout: Optional[timedelta] = None,
         headers: Optional[Mapping[str, str]] = None,
     ) -> O:
         handle: NexusOperationHandle[O] = await self.start_operation(
             operation,
             input,
+            output_type=output_type,
             schedule_to_close_timeout=schedule_to_close_timeout,
             headers=headers,
         )