Bumps [sidekiq-unique-jobs](https://github.com/mhenrixon/sidekiq-unique-jobs) from 6.0.15 to 6.0.18. - [Release notes](https://github.com/mhenrixon/sidekiq-unique-jobs/releases) - [Changelog](https://github.com/mhenrixon/sidekiq-unique-jobs/blob/master/CHANGELOG.md) - [Commits](https://github.com/mhenrixon/sidekiq-unique-jobs/compare/v6.0.15...v6.0.18) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>master