Merge pull request #20173 from Homebrew/named_args_old_tokens_warning

cli/named_args: don't warn about old tokens overlapping.

Library/Homebrew/cli/named_args.rb

@@ -571,6 +571,7 @@ module Homebrew
         end
         return unless available
         return if Context.current.quiet?
+        return if cask&.old_tokens&.include?(ref)
 
         opoo package_conflicts_message(ref, loaded_type, cask)
       end