Update dependency com.mysql:mysql-connector-j to v8.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.mysql:mysql-connector-j (source)	8.2.0 -> 8.4.0

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

mysql/mysql-connector-j (com.mysql:mysql-connector-j)

### [`v8.4.0`](https://redirect.github.com/mysql/mysql-connector-j/compare/8.3.0...8.4.0) [Compare Source](https://redirect.github.com/mysql/mysql-connector-j/compare/8.3.0...8.4.0) ### [`v8.3.0`](https://redirect.github.com/mysql/mysql-connector-j/compare/8.2.0...8.3.0) [Compare Source](https://redirect.github.com/mysql/mysql-connector-j/compare/8.2.0...8.3.0)

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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