feat: 新增数据库迁移，重命名 device_no 为 virtual_no，新增 iot_card.virtual_no 和 package.virtual_ratio 字段

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

migrations/000075_add_virtual_ratio_to_package.down.sql

@@ -0,0 +1 @@
+ALTER TABLE tb_package DROP COLUMN IF EXISTS virtual_ratio;