更新 CI 测试并修复弃用问题

[NHZEX]

• 使用 suggest 声明优化 ide 体验
• 是否应该把 mysql 最低测试版本提升到 8.0？

[codecov-commenter]

:warning: Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 12.25%. Comparing base (e35f497) to head (e59088d). Report is 25 commits behind head on 3.0.

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 3.0 #588 +/- ## ============================================ + Coverage 12.24% 12.25% +0.01% - Complexity 2965 2984 +19 ============================================ Files 64 64 Lines 7129 7154 +25 ============================================ + Hits 873 877 +4 - Misses 6256 6277 +21 ``` | [Flag](https://app.codecov.io/gh/top-think/think-orm/pull/588/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=top-think) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/top-think/think-orm/pull/588/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=top-think) | `12.25% <ø> (+0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=top-think#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[big-dream]

MySQL 5.7 虽然结束了安全支持周期，但是目前保有量还是不小的，如果要调低最低版本，感觉下个大版本去调整会比较好。