fix postgre upgrade (#7230)

Co-authored-by: caishunfeng <534328519@qq.com>

dolphinscheduler-dao/src/main/resources/sql/upgrade/2.0.0_schema/postgresql/dolphinscheduler_ddl.sql

@@ -316,4 +316,6 @@ BEGIN
 END;
 $BODY$;
 
+select dolphin_update_metadata();
+
 d//

dolphinscheduler-dao/src/main/resources/sql/upgrade/2.0.1_schema/postgresql/dolphinscheduler_ddl.sql

@@ -37,4 +37,7 @@ BEGIN
         return SQLERRM;
 END;
 $BODY$;
+
+select dolphin_update_metadata();
+
 d//