As included here inside of Grape: https://github.com/ruby-grape/grape/blob/37d013bfcd6eaa8d10f81364191a5e6f0f30029a/lib/grape.rb#L60 [ActiveSupport::Configurable is deprecated without replacement, and will be removed in Rails 8.2. You can emulate the previous behavior with `class_attribute`.](https://github.com/rails/rails/blob/1cdd190a25e483b65f1f25bbd0f13a25d696b461/activesupport/lib/active_support/configurable.rb#L4)
