[MINOR] Change default logging level to warn in python api

Author: Baunsgaard

src/main/python/systemds/context/systemds_context.py

@@ -85,7 +85,7 @@ def __init__(
         port: int = -1,
         capture_statistics: bool = False,
         capture_stdout: bool = False,
-        logging_level: int = 20,
+        logging_level: int = 30,
         py4j_logging_level: int = 50,
         data_transfer_mode: int = 1,
         multi_pipe_enabled: bool = False,