Bump sidekiq from 6.5.5 to 6.5.7

[dependabot[bot]]

Bumps sidekiq from 6.5.5 to 6.5.7.

Changelog

Sourced from sidekiq's changelog.

6.5.7

• Updates for JA and ZH locales
• Further optimizations for scheduled polling #5513

6.5.6

• Fix deprecation warnings with redis-rb 4.8.0 #5484
• Lock redis-rb to < 5.0 as we are moving to redis-client in Sidekiq 7.0

Commits

• 9fe550d bump, release
• e2f92e8 Add missing and improve existing translations for zh locales (#5533)
• ca62353 Merge pull request #5534 from cafedomancer/add-missing-translations-for-ja
• 95e54d9 Add missing translations for ja
• d11c9c0 notes
• fafefc4 Fix flaky test (#5521)
• 1096df5 Remove sidekiq/api dependency from scheduled, run cleanup on scheduler start,...
• 6fc6666 fix 5514 - handle consecutive delimiters in hostnames while sorting them (#5515)
• f3e0640 occasionally clean up the processes set
• 8dc2803 Fix poll interval not changing based on process count (#5513)
• Additional commits viewable in compare view

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