Python 3.11 support

[ppinchuk]

Add support for Python 3.11.
PySAM does not yet support Python 3.12 so we cannot upgrade to that yet.

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (d4c175e) 87.02% compared to head (63db1a9) 87.06%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #432      +/-   ##
==========================================
+ Coverage   87.02%   87.06%   +0.04%     
==========================================
  Files         122      122              
  Lines       17005    17029      +24     
==========================================
+ Hits        14798    14826      +28     
+ Misses       2207     2203       -4     

Flag	Coverage Δ
unittests	87.06% <86.66%> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
reV/econ/econ.py	85.62% <100.00%> (+0.28%)	⬆️
reV/generation/generation.py	87.66% <100.00%> (+0.16%)	⬆️
reV/utilities/__init__.py	96.42% <100.00%> (+0.27%)	⬆️
reV/version.py	100.00% <100.00%> (ø)
setup.py	0.00% <ø> (ø)
reV/generation/base.py	83.37% <75.00%> (-0.27%)	⬇️

... and 11 files with indirect coverage changes

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