chore(deps): bump thin from 1.7.2 to 1.8.0 in /tests/apps/ruby
chore(deps): bump thin from 1.7.2 to 1.8.0 in /tests/apps/ruby

Bumps [thin](https://github.com/macournoyer/thin) from 1.7.2 to 1.8.0.
- [Release notes](https://github.com/macournoyer/thin/releases)
- [Changelog](https://github.com/macournoyer/thin/blob/master/CHANGELOG)
- [Commits](https://github.com/macournoyer/thin/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
claytonbrown/dokku,progrium/dokku,progrium/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,claytonbrown/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,dokku/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,progrium/dokku,dokku/dokku,progrium/dokku,claytonbrown/dokku,dokku/dokku,claytonbrown/dokku,dokku/dokku