publish heroku failing due to old Python version #1905
Description
Reported on Discord: https://discord.com/channels/823971286308356157/823971286941302908/1042814317118115901
-----> Building on the Heroku-22 stack
-----> Determining which buildpack to use for this app
-----> Python app detected
-----> Using Python version specified in runtime.txt
! Requested runtime 'python-3.8.10' is not available for this stack (heroku-22).
! For supported versions, see: https://devcenter.heroku.com/articles/python-support
! Push rejected, failed to compile Python app.
! Push failed
▸ Build failed