feat: UDM用户数据补充添加创建时间字段datatime

database/install/u_auth_user.sql

@@ -14,6 +14,7 @@ CREATE TABLE `u_auth_user` (
   `algo_index` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT 'algoIndex',
   `opc` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT 'OPC',
   `create_time` bigint(20) DEFAULT 0 COMMENT '创建时间',
+  `created_at` datetime NULL DEFAULT current_timestamp(),
   PRIMARY KEY (`id`) USING BTREE,
   UNIQUE KEY `uk_imsi_ne` (`imsi`,`ne_id`) USING BTREE COMMENT 'imsi_neid唯一主键',
   KEY `idx_ne` (`ne_id`) USING BTREE COMMENT 'neid索引'