Bump paper_trail from 7.1.3 to 8.0.0
Bump paper_trail from 7.1.3 to 8.0.0

Bumps [paper_trail](https://github.com/airblade/paper_trail) from 7.1.3 to 8.0.0.
- [Changelog](https://github.com/airblade/paper_trail/blob/master/CHANGELOG.md)
- [Commits](https://github.com/airblade/paper_trail/compare/v7.1.3...v8.0.0)
rdunlop/unicycling-registration,rdunlop/unicycling-registration,rdunlop/unicycling-registration,rdunlop/unicycling-registration