Updates the requirements on [shoulda-context](https://github.com/thoughtbot/shoulda-context) to permit the latest version.
- [Release notes](https://github.com/thoughtbot/shoulda-context/releases)
- [Changelog](https://github.com/thoughtbot/shoulda-context/blob/master/CHANGELOG.md)
- [Commits](https://github.com/thoughtbot/shoulda-context/compare/v1.2.0...v2.0.0)

Signed-off-by: dependabot[bot] <support@github.com>

• Commit 0638434
• #29: Update shoulda-context requirement from ~> 1.2 to ~> 2.0
• Branch master

dependabot[bot] authored GitHub committed