Placeholder for Ruby gem google-cloud-app_optimize-v1beta

This is a placeholder for the future Google-authored gem google-cloud-app_optimize-v1beta. This placeholder is being released on 2026-04-14 in order to reserve the name. The final gem should be available shortly after that date. If it has not been released in a timely manner, or if this placeholder interferes with your work, you can contact the Google Ruby team by opening an issue in the GitHub repository https://github.com/googleapis/google-cloud-ruby.