* Bump mysql2 from 3.9.4 to 3.9.7 (#41823)

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 3.9.4 to 3.9.7.
- [Release notes](https://github.com/sidorares/node-mysql2/releases)
- [Changelog](https://github.com/sidorares/node-mysql2/blob/master/Changelog.md)
- [Commits](https://github.com/sidorares/node-mysql2/compare/v3.9.4...v3.9.7

)

---
updated-dependencies:
- dependency-name: mysql2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Chris Truter <chris@metabase.com>

* Remove backport script

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Chris Truter <chris@metabase.com>
Co-authored-by: Mahatthana (Kelvin) Nomsawadi <me@bboykelvin.dev>
Co-authored-by: Mahatthana Nomsawadi <mahatthana.n@gmail.com>