* Only build for Python 3.11 until upstream catches up with Python
     3.12.

dear debian-med, please don't do that. It doesn't help to hide problems,
using 3.11, but not reflecting this in the dependencies.  If a package
doesn't have support for 3.12, then it gets removed from testing.

See with
https://ci.debian.net/data/autopkgtest/testing/amd64/q/q2-alignment/48927885/log.gz