Log level validation error message changed

Log level validation error message changed: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). I noticed that the error message for invalid log levels has changed. When trying to use an invalid log level string, the error message is now different and less…

The task

I noticed that the error message for invalid log levels has changed. When trying to use an invalid log level string, the error message is now different and less descriptive.

Part of keryszhan/harbor-swesmith-rl-artifacts.