build(deps-dev): bump phpunit/phpunit from 9.6.16 to 9.6.17 (#163)

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.6.16 to 9.6.17.
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/9.6.17/ChangeLog-9.6.md)
- [Commits](sebastianbergmann/phpunit@9.6.16...9.6.17)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]