Update RBI files for rack.

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

Library/Homebrew/sorbet/rbi/gems/rack@3.0.1.rbi

@@ -496,10 +496,13 @@ class Rack::Lint::Wrapper
   def respond_to?(name, *_arg1); end
   def response; end
   def to_ary; end
+  def to_path; end
   def verify_content_length(size); end
   def verify_to_path; end
 end
 
+Rack::Lint::Wrapper::BODY_METHODS = T.let(T.unsafe(nil), Hash)
+
 class Rack::Lint::Wrapper::ErrorWrapper
   def initialize(error); end