Update RBI files for zeitwerk.

Autogenerated by the [vendor-gems](https://github.com/Homebrew/brew/blob/HEAD/.github/workflows/vendor-gems.yml) workflow.

Library/Homebrew/sorbet/rbi/gems/zeitwerk@2.6.8.rbi

@@ -52,7 +52,7 @@ class Zeitwerk::GemInflector < ::Zeitwerk::Inflector
 end
 
 class Zeitwerk::GemLoader < ::Zeitwerk::Loader
-  def initialize(root_file, warn_on_extra_files:); end
+  def initialize(root_file, namespace:, warn_on_extra_files:); end
 
   def setup; end
 
@@ -61,7 +61,7 @@ class Zeitwerk::GemLoader < ::Zeitwerk::Loader
   def warn_on_extra_files; end
 
   class << self
-    def _new(root_file, warn_on_extra_files:); end
+    def __new(root_file, namespace:, warn_on_extra_files:); end
   end
 end
 
@@ -85,6 +85,7 @@ class Zeitwerk::Loader
   include ::Zeitwerk::Loader::Config
   include ::Zeitwerk::Loader::EagerLoad
   extend ::Zeitwerk::Internal
+  extend ::Zeitwerk::RealModName
 
   def initialize; end
 
@@ -130,6 +131,7 @@ class Zeitwerk::Loader
     def eager_load_all; end
     def eager_load_namespace(mod); end
     def for_gem(warn_on_extra_files: T.unsafe(nil)); end
+    def for_gem_extension(namespace); end
   end
 end
 
@@ -239,7 +241,7 @@ module Zeitwerk::Registry
     def inception?(cpath); end
     def inceptions; end
     def loader_for(path); end
-    def loader_for_gem(root_file, warn_on_extra_files:); end
+    def loader_for_gem(root_file, namespace:, warn_on_extra_files:); end
     def loaders; end
     def on_unload(loader); end
     def register_autoload(loader, abspath); end

Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi

@@ -2943,6 +2943,15 @@ class Cask::Artifact::AbstractArtifact
   extend ::T::InterfaceWrapper::Helpers
 end
 
+class Cask::CaskLoader::AbstractContentLoader
+  def initialize(*args, &blk); end
+end
+
+class Cask::CaskLoader::AbstractContentLoader
+  extend ::T::Private::Abstract::Hooks
+  extend ::T::InterfaceWrapper::Helpers
+end
+
 module Cask::CaskLoader::ILoader
   extend ::T::Private::Abstract::Hooks
   extend ::T::InterfaceWrapper::Helpers
@@ -3302,6 +3311,11 @@ class Dir
   def self.exists?(arg); end
 end
 
+class Downloadable
+  extend ::T::Private::Abstract::Hooks
+  extend ::T::InterfaceWrapper::Helpers
+end
+
 class ELFTools::Structs::ELF32_PhdrBe
 end
 
@@ -5154,8 +5168,8 @@ end
 
 class Object
   include ::Minitest::Expectations
-  include ::Utils::Curl
   include ::SystemCommand::Mixin
+  include ::Utils::Curl
   def deep_dup(); end
 
   def duplicable?(); end