Repair dolphinscheduler-mysql.sql error sql. (#4780)

sql/dolphinscheduler_mysql.sql

@@ -811,7 +811,7 @@ VALUES ('1', '1.3.0');
 -- ----------------------------
 -- Records of t_ds_alertgroup
 -- ----------------------------
-INSERT INTO `t_ds_alertgroup`
+INSERT INTO `t_ds_alertgroup`(alert_instance_ids, create_user_id, group_name, description, create_time, update_time)
 VALUES ("1,2", 1, 'default admin warning group', 'default admin warning group', '2018-11-29 10:20:39',
         '2018-11-29 10:20:39');