Fix NoMethodError when run js:routes:typescript

[ippachi]

js:routes:typescript raise below error.

rake aborted!
NoMethodError: private method `warn' called for class ActiveSupport::Deprecation (NoMethodError)

      ActiveSupport::Deprecation.warn(
                                ^^^^^
/vendor/bundle/ruby/3.3.0/gems/js-routes-2.3.3/lib/tasks/js_routes.rake:11:in `block (3 levels) in <main>'
Tasks: TOP => js:routes:typescript
(See full trace by running task with --trace)

Because ActiveSupport::Deprecation.warn was removed from Rails 7.2.