Your app's stack is approaching end-of-life (Heroku-22

https://devcenter.heroku.com/articles/upgrading-to-the-latest-stack

> The Heroku-22 stack [is deprecated](https://devcenter.heroku.com/changelog-items/3705) and will reach end-of-life on April 30th, 2027. Upgrade to a newer stack as soon as possible. See the [Heroku-22 End-Of-Life FAQ](https://help.heroku.com/NQNCQTEJ/heroku-22-end-of-life-faq) for more details.