修复dqlsqlserver配置校验 https://gitee.com/ghi/dbsyncer/issues/I8TY1L

dbsyncer-connector/dbsyncer-connector-sqlserver/src/main/java/org/dbsyncer/connector/sqlserver/DQLSqlServerConnector.java

@@ -36,7 +36,7 @@ public final class DQLSqlServerConnector extends AbstractDQLConnector {
 
     @Override
     public ConfigValidator getConfigValidator() {
-        return null;
+        return configValidator;
     }
 
     @Override