Set the log level to debug for a log message (#359)

The line in production adds a lot of noise to logs.

Author: mpessas

tasktiger/worker.py

@@ -894,7 +894,7 @@ def _queue_periodic_tasks(self) -> None:
 
             # Task is already queued, scheduled, or running.
             if any(results):
-                self.log.info(
+                self.log.debug(
                     "periodic task already in queue",
                     func=task.serialized_func,
                     result=results,