MDEV-25193 - temporarily switch storage engine to MyISAM for sys.sys_config

scripts/sys_schema/tables/sys_config.sql

@@ -24,6 +24,6 @@ CREATE TABLE IF NOT EXISTS sys_config (
     value VARCHAR(128),
     set_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
     set_by VARCHAR(128)
-) ENGINE = Aria transactional=1;
+) ENGINE = MyISAM;