Write go task logs to the correct configured folder (apache#56140)

This makes the worker that writes logs respect
`ARIFLOW__LOGGING__BASE_LOG_FOLDER` location -- the same one used through out
all of the Python code, and also on the `worker` side that runs the HTTP
server that the UI uses (via the central API server) to show task logs.

Author: ashb

go-sdk/pkg/worker/runner.go

@@ -449,7 +449,7 @@ func (w *worker) setupTaskLogger(
 		return supervisorLogger, nil
 	}
 
-	base := viper.GetString("logging.base_log_path")
+	base := viper.GetString("logging.base_log_folder")
 	filename := path.Join(base, *workload.LogPath)
 	dir := path.Dir(filename)