Upgrade Thin from 1.6.1 to 1.7.0.
Includes support for Rack 2. Working toward #14286 (moved).
Changelog: https://github.com/macournoyer/thin/blob/master/CHANGELOG
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Includes support for Rack 2. Working toward #14286 (moved).
Changelog: https://github.com/macournoyer/thin/blob/master/CHANGELOG