Bump ffaker from 2.8.0 to 2.8.1
Bump ffaker from 2.8.0 to 2.8.1

Bumps [ffaker](https://github.com/ffaker/ffaker) from 2.8.0 to 2.8.1.
- [Changelog](https://github.com/ffaker/ffaker/blob/master/Changelog.md)
- [Commits](https://github.com/ffaker/ffaker/commits)
ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2