I started to look at the package python-mapnik.
I believe that Boost >= 1.8.x is required for Python 3.11.
I tested including boost 1.8.4 in the repo build path - build gets past the following error (there are other issues not linked to Boost). I wanted to check what is the correct way to proceed for Python 3.11 and Boost Python linked packages.
Here is an example of the build failure for python-mapnik: (tested for both Boost 1.66 and 1.75)
/usr/include/boost/python/class.hpp:204:9: required from ‘boost::python::class_