Bump cucumber-rails from 1.5.0 to 1.6.0
Bump cucumber-rails from 1.5.0 to 1.6.0

Bumps [cucumber-rails](https://github.com/cucumber/cucumber-rails) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/cucumber/cucumber-rails/releases)
- [Changelog](https://github.com/cucumber/cucumber-rails/blob/master/CHANGELOG.md)
- [Commits](https://github.com/cucumber/cucumber-rails/compare/v1.5.0...v1.6.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alphagov/transition,alphagov/transition,alphagov/transition