Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.46 to 8.0.16.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](https://github.com/mysql/mysql-connector-j/compare/5.1.46...8.0.16

)
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1. mybatis generator更新1.3.7
2. mybatis-generator-plugin更新1.2.12
3. 更新所有自动生成代码
4. OrderMapper,实现基于update_time的乐观锁更新

1. 设置逻辑删除插件
2. 设置乐观锁插件