Bump sidekiq from 6.1.1 to 6.1.2

Bumps sidekiq from 6.1.1 to 6.1.2.

Changelog

Sourced from sidekiq's changelog.

6.1.2

• Improve readability in dark mode Web UI #4674
• Fix Web UI crash with corrupt session #4672
• Allow middleware to yield arguments [#4673, @eugeneius]
• Migrate CI from CircleCI to GitHub Actions #4677

Commits

• 3f54edb prep for release
• 6b862a1 Remove old template
• 370aee1 Update issue templates
• 555e9ab this badge ain't really necessary
• 7656f7f Move CI to GitHub Actions, fixes #4677
• af19318 multi-ruby
• 70e4a3d rename, add rubies
• 97b9f25 handle test edge case
• eb78747 this is super dumb, should be the default
• cbb5dc3 include redis
• Additional commits viewable in compare view