build(deps): bump actionpack from 8.1.1 to 8.1.2

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Bumps actionpack from 8.1.1 to 8.1.2.

Release notes

Sourced from actionpack's releases.

8.1.2

Active Support

• Make delegate and delegate_missing_to work in BasicObject subclasses.

  Rafael Mendonça França

• Fix Inflectors when using a locale that fallbacks to :en.

  Said Kaldybaev

• Fix ActiveSupport::TimeWithZone#as_json to consistently return UTF-8 strings.

  Previously the returned string would sometime be encoded in US-ASCII, which in some cases may be problematic.

  Now the method consistently always return UTF-8 strings.

  Jean Boussier

• Fix TimeWithZone#xmlschema when wrapping a DateTime instance in local time.

  Previously it would return an invalid time.

  Dmytro Rymar

• Implement LocalCache strategy on ActiveSupport::Cache::MemoryStore. The memory store needs to respond to the same interface as other cache stores (e.g. ActiveSupport::NullStore).

  Mikey Gough

• Fix ActiveSupport::Inflector.humanize with international characters.

  ActiveSupport::Inflector.humanize("áÉÍÓÚ")  # => "Áéíóú"
  ActiveSupport::Inflector.humanize("аБВГДЕ") # => "Абвгде"

  Jose Luis Duran

Active Model

• No changes.

Active Record

• Fix counting cached queries in ActiveRecord::RuntimeRegistry.

... (truncated)

Changelog

Sourced from actionpack's changelog.

Rails 8.1.2 (January 08, 2026)

• Add config.action_controller.live_streaming_excluded_keys to control execution state sharing in ActionController::Live.

  When using ActionController::Live, actions are executed in a separate thread that shares state from the parent thread. This new configuration allows applications to opt-out specific state keys that should not be shared.

  This is useful when streaming inside a connected_to block, where you may want the streaming thread to use its own database connection context.

  # config/application.rb
  config.action_controller.live_streaming_excluded_keys = [:active_record_connected_to_stack]

  By default, all keys are shared.

  Eileen M. Uchitelle

• Fix IpSpoofAttackError message to include Forwarded header content.

  Without it, the error message may be misleading.

  zzak

Commits

• d7c8ae6 Preparing for 8.1.2 release
• df98a0d Merge pull request #56440 from zzak/ac-live-streaming-keys-typo
• 0f8014a [8-1-stable] Minitest 6 support
• 991ccf3 Merge pull request #56393 from rails/add-exclude-keys-to-live-controller
• 662609d Merge pull request #56252 from callmesangio/fix-testing-docs
• 81dca9c Merge pull request #56285 from markokajzer/main
• c98c994 Merge pull request #56256 from zzak/re-56186
• 4388688 Fix redirect_test leaking subscription state
• 13589db Fix dependency on Rails constant
• 27e709a Merge pull request #56059 from Shopify/hm-zpvonttrlztqnryl
• Additional commits viewable in compare view

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