Bump i18n from 1.8.8 to 1.8.9

[dependabot-preview]

Bumps i18n from 1.8.8 to 1.8.9.

Release notes

Sourced from i18n's releases.

1.8.9

• Rely on Ruby 3's native Hash#except method -- #557

This release also contains several build related updates -- rather than listing them out here, you can see the compare view between 1.8.8 and 1.8.9.

Commits

• aec9d66 Bump to 1.8.9
• aae36c2 Only attempt to set fallbacks= in tests if method is defined
• 3951eee Merge pull request #557 from ruby-i18n/ca-except-ruby3
• 7a262de Merge pull request #558 from ruby-i18n/ca-build
• 7a885fd Merge pull request #550 from taki/update-require
• cead3e5 Prevent overwriting Hash#except method present in Ruby 3+
• bb7b689 Exclude Ruby 3+ with all Rails 5.x versions
• 075a228 Rails main only supports Ruby 2.7+ going forward
• 2a02807 Run tests on the latest patch version of each Ruby release
• 0053286 Run tests on Rails 5.0.x and 5.1.x again
• Additional commits viewable in compare view

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