fix: disable logger propagation to prevent duplicate logs (#1156)

Author: vdusek

src/crawlee/_log_config.py

@@ -68,6 +68,9 @@ def configure_logger(logger: logging.Logger, *, remove_old_handlers: bool = Fals
     logger.addHandler(handler)
     logger.setLevel(get_configured_log_level())
 
+    # Do not propagate the log messages to the parent logger to prevent duplicate log messages.
+    logger.propagate = False
+
 
 class CrawleeLogFormatter(logging.Formatter):
     """Log formatter that prints out the log message nicely formatted, with colored level and stringified extra fields.