`Refinement#refined_class` is now deprecated

spec/ruby/core/refinement/refined_class_spec.rb

@@ -1,7 +1,7 @@
 require_relative '../../spec_helper'
 
 describe "Refinement#refined_class" do
-  ruby_version_is "3.2" do
+  ruby_version_is "3.2"..."3.3" do
     it "returns the class refined by the receiver" do
       refinement_int = nil