Merge pull request #27521 from prathamesh-sonpatki/mark-one-more-constant-as-private

Mark :GeneratedAssociationMethods also as private_constant

activerecord/lib/active_record/core.rb

@@ -239,7 +239,9 @@ def initialize_generated_modules # :nodoc:
       def generated_association_methods
         @generated_association_methods ||= begin
           mod = const_set(:GeneratedAssociationMethods, Module.new)
+          private_constant :GeneratedAssociationMethods
           include mod
+
           mod
         end
       end