NEURON can dynamically link to Python3.10

[nrnhines]

The python3.10 relevant changes of #1524

It might be a good idea to add the code to make a python3.10 wheel installer.

[codecov-commenter]

Codecov Report

Merging #1558 (486f5b7) into master (d3abfef) will increase coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1558      +/-   ##
==========================================
+ Coverage   43.79%   43.83%   +0.03%     
==========================================
  Files         552      552              
  Lines      110973   110974       +1     
==========================================
+ Hits        48602    48646      +44     
+ Misses      62371    62328      -43     

Impacted Files	Coverage Δ
share/lib/python/neuron/__init__.py	32.40% <0.00%> (-0.05%)	⬇️
src/parallel/bbs.cpp	75.94% <0.00%> (+1.68%)	⬆️
src/parallel/bbssrvmpi.cpp	48.19% <0.00%> (+6.02%)	⬆️
src/parallel/bbsclimpi.cpp	58.13% <0.00%> (+8.13%)	⬆️
src/nrnmpi/bbsmpipack.cpp	93.33% <0.00%> (+10.76%)	⬆️

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[alexsavulescu]

It might be a good idea to add the code to make a python3.10 wheel installer.

yes there is a ticket for that, we can do it in a new PR (will take care of it on Monday). We may have to release NEURON 8.0.1.