Bump phpunit/phpunit from 9.2.6 to 9.5.0

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.2.6 to 9.5.0.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/master/ChangeLog-9.5.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/compare/9.2.6...9.5.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>