Log Message:
devel/ruby-tty-reader: update to 0.8.0

Update ruby-tty-reader to 0.8.0.

## [v0.8.0] - 2020-06-28

### Changed
* Change gemspec to load version directly and remove test artefacts
* Change to update tty-screen dependency
* Change to remove bundler dev dependency and relax wisper version