!18812 version log_api

Merge pull request !18812 from mindspore_ding/master_0624

VERSION

@@ -1 +1 @@
-1.3.0
+1.3.0

mindspore/log.py

@@ -408,6 +408,7 @@ def get_log_config():
         >>> os.environ['GLOG_log_dir'] = '/var/log'
         >>> os.environ['logger_maxBytes'] = '5242880'
         >>> os.environ['logger_backupCount'] = '10'
+        >>> os.environ['GLOG_stderrthreshold'] = '2'
         >>> from mindspore import log as logger
         >>> logger.get_log_config()
     """