Update phpunit/phpunit requirement from ^6.5 to ^8.2 (#14)
Update phpunit/phpunit requirement from ^6.5 to ^8.2 (#14)

Updates the requirements on [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) to permit the latest version.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/master/ChangeLog-8.2.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/compare/6.5.0...8.2.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: null <bbc507a6616dff25644d3d5695860a60fa5984a2@users.noreply.github.com>
DraperStudio/Laravel-Parsedown