Set use_cookies_with_metadata to true

This is the new Rails default

changelogs/unreleased/197344-use-cookies-with-metadata.yml

+---
+title: Use cookies with metadata to prevent reuse as another cookie
+merge_request: 31311
+author:
+type: other

config/initializers/cookies_serializer.rb

 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.action_dispatch.use_cookies_with_metadata = false
+Rails.application.config.action_dispatch.use_cookies_with_metadata = true
 Rails.application.config.action_dispatch.cookies_serializer = :hybrid