Bumps [sidekiq](https://github.com/mperham/sidekiq) from 5.2.3 to 5.2.5.
- [Release notes](https://github.com/mperham/sidekiq/releases)
- [Changelog](https://github.com/mperham/sidekiq/blob/master/Changes.md)
- [Commits](https://github.com/mperham/sidekiq/compare/v5.2.3...v5.2.5

)

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