Use the prism builder when available

prism requires its own builder class in order to emit ast for
versions that the parser gem doesn't support. The next prism
version will warn when a incorrect builder class is used,
it wasn't previously enforced.

Author: Earlopain

lib/packwerk/parsers/ruby.rb

@@ -28,7 +28,13 @@ def valid_error?(error)
         end
       end
 
-      class TolerateInvalidUtf8Builder < Parser::Builders::Default
+      # Remove when prism > 1.4.0 is required
+      builder_class = if defined?(Prism::Translation::Parser::Builder)
+        Prism::Translation::Parser::Builder
+      else
+        Parser::Builders::Default
+      end
+      class TolerateInvalidUtf8Builder < builder_class
         extend T::Sig
 
         sig { params(token: T.untyped).returns(T.untyped) }