Correct type annotation on monitoring _migrate_logs_to_internal (#3918)

This isn't type-checked by mypy on invocation because the invocation is
via a Thread() object rather than a regular function call.

# Changed Behaviour

none

## Type of change

- Code maintenance/cleanup

Author: benclifford

parsl/monitoring/db_manager.py

@@ -552,7 +552,7 @@ def start(self,
             raise RuntimeError("An exception happened sometime during database processing and should have been logged in database_manager.log")
 
     @wrap_with_logs(target="database_manager")
-    def _migrate_logs_to_internal(self, logs_queue: queue.Queue, kill_event: threading.Event) -> None:
+    def _migrate_logs_to_internal(self, logs_queue: mpq.Queue, kill_event: threading.Event) -> None:
         logger.info("Starting _migrate_logs_to_internal")
 
         while not kill_event.is_set() or logs_queue.qsize() != 0: