Bump phpunit/phpunit from 12.2.2 to 12.5.1

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 12.2.2 to 12.5.1.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/12.5.1/ChangeLog-12.5.md)
- [Commits](sebastianbergmann/phpunit@12.2.2...12.5.1)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-version: 12.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]