Bump sidekiq from 6.0.7 to 6.1.0

Bumps sidekiq from 6.0.7 to 6.1.0.

Changelog

Sourced from sidekiq's changelog.

6.1.0

• Web UI - Dark Mode fixes [#4543, natematykiewicz]
• Ensure Rack::ContentLength is loaded as middleware for correct Web UI responses #4541
• Avoid exception dumping SSL store in Redis connection logging #4532
• Better error messages in Sidekiq::Client #4549
• Remove rack-protection, reimplement CSRF protection #4588
• Require redis-rb 4.2 #4591
• Update to jquery 1.12.4 #4593
• Refactor internal fetch logic and API #4602

Commits

• d298574 Prep for release
• ab6f165 update contacts
• 55f977c codecov
• ea61218 jeez"
• c6740c6 bump simplecov
• 5db621f jeez
• a237403 Integrate codecov
• 267b4cc Catch all Redis errors and check for NOREPLICAS, fixes #4495
• 66bb436 Don't print warning during our test suite
• fce05c9 Fetch API refactor, WIP (#4602)
• Additional commits viewable in compare view