sorbet: Update RBI files.

Autogenerated by the [sorbet](https://github.com/Homebrew/brew/blob/master/.github/workflows/sorbet.yml) workflow.

Library/Homebrew/sorbet/rbi/dsl/cask/cask.rbi

@@ -30,6 +30,9 @@ class Cask::Cask
   sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
   def auto_updates(*args, &block); end
 
+  sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
+  def bash_completion(*args, &block); end
+
   sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
   def binary(*args, &block); end
 
@@ -90,6 +93,9 @@ class Cask::Cask
   sig { params(args: T.untyped, block: T.untyped).returns(T::Boolean) }
   def discontinued?(*args, &block); end
 
+  sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
+  def fish_completion(*args, &block); end
+
   sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
   def font(*args, &block); end
 
@@ -191,4 +197,7 @@ class Cask::Cask
 
   sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
   def zap(*args, &block); end
+
+  sig { params(args: T.untyped, block: T.untyped).returns(T.untyped) }
+  def zsh_completion(*args, &block); end
 end