I might come back to this, but until I do, thought I'd report this:
/.asdf/installs/ruby/3.4.1/lib/ruby/gems/3.4.0/gems/domain_name-0.6.20240107/lib/domain_name/punycode.rb:152: warning: literal string will be frozen in the future (run with --debug-frozen-string-literal for more information)