Bump sidekiq from 4.2.9 to 5.0.4
Bump sidekiq from 4.2.9 to 5.0.4

Bumps [sidekiq](https://github.com/mperham/sidekiq) from 4.2.9 to 5.0.4.
- [Changelog](https://github.com/mperham/sidekiq/blob/master/Changes.md)
- [Commits](https://github.com/mperham/sidekiq/compare/v4.2.9...v5.0.4)
rdunlop/unicycling-rulebook,rdunlop/unicycling-rulebook,rdunlop/unicycling-rulebook,rdunlop/unicycling-rulebook