⬆️ Update mysqlclient to v2.2.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mysqlclient	==2.2.1 -> ==2.2.2

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Release Notes

PyMySQL/mysqlclient (mysqlclient)

### [`v2.2.2`](https://togithub.com/PyMySQL/mysqlclient/releases/tag/v2.2.2) [Compare Source](https://togithub.com/PyMySQL/mysqlclient/compare/v2.2.1...v2.2.2) #### What's Changed - Support MySQL 8.3 by [@​methane](https://togithub.com/methane) in [https://github.com/PyMySQL/mysqlclient/pull/690](https://togithub.com/PyMySQL/mysqlclient/pull/690) - `conn.kill()` and `conn.shutdown()` are deprecated. - use ruff for formatter by [@​methane](https://togithub.com/methane) in [https://github.com/PyMySQL/mysqlclient/pull/691](https://togithub.com/PyMySQL/mysqlclient/pull/691) - doc: add link to README by [@​methane](https://togithub.com/methane) in [https://github.com/PyMySQL/mysqlclient/pull/692](https://togithub.com/PyMySQL/mysqlclient/pull/692) **Full Changelog**: https://github.com/PyMySQL/mysqlclient/compare/v2.2.1...v2.2.2

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