python: add version 3.10.8

Compared to python-3.10.7-0 only a few things changed.

 - pytorch/cuda-11.6, thus supporting Ampere-GPUs
 - numba installation is fixed, GPUs are usable now
 - less offensive content in the build script

Version changes:

 - meson:     0.63.3
 - snakemake: 7.16.1