Change logger.info to warning for exception on lifecycle put

Also, just noting here that lifecycle rules themselves don't expire, so
we will want to clean them up periodically at:

https://us-east-1.console.aws.amazon.com/s3/management/gfw-tiles/lifecycle?bucketType=general&region=us-east-1#

app/tasks/aws_tasks.py

@@ -134,7 +134,7 @@ def _update_lifecycle_rule(bucket, rule) -> Dict[str, Any]:
     except Exception as e:
         # Make sure to print out any exception, since this function is probably
         # running in a background task, so any thrown exception may get lost.
-        logger.info(f"lifecycle exception {str(e)}, {e.__class__.__name__}, {e.args}")
+        logger.warning(f"lifecycle exception {str(e)}, {e.__class__.__name__}, {e.args}")
     logger.info(f"Response lifecycle {response}")
     return response