Bump ifsnop/mysqldump-php from 2.9 to 2.12

Bumps [ifsnop/mysqldump-php](https://github.com/ifsnop/mysqldump-php) from 2.9 to 2.12.
- [Release notes](https://github.com/ifsnop/mysqldump-php/releases)
- [Commits](ifsnop/mysqldump-php@v2.9...v2.12)

---
updated-dependencies:
- dependency-name: ifsnop/mysqldump-php
  dependency-version: '2.12'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]