Address new syntax in Rails 7.0

[mishina2228]

Summary

This PR addresses new syntax introduced in Rails 7.0.
Also fixes the locale of spec/fixtures/locales/en.yml to prevent CI from failing.

Repro

class User < ActiveRecord::Base
  enum :gender, [:male, :female], default: :male
end

User.genders_i18n

Before:

NoMethodError:
  undefined method `genders_i18n' for User:Class
  Did you mean?  genders

After:

{"male"=>"Male", "female"=>"Female"}

[mishina2228]

Thanks! @zmbacker

[zmbacker]

Thanks! @zmbacker

Thanks for your contribution.