Remove 3.8, Add 3.12

[fronzbot]

Description:

• Removes python 3.8 support, adds 3.12
• Change default version for publish, lint to 3.11

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (738a93a) 99.86% compared to head (6de795d) 99.86%.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #839   +/-   ##
=======================================
  Coverage   99.86%   99.86%           
=======================================
  Files           8        8           
  Lines        1458     1461    +3     
=======================================
+ Hits         1456     1459    +3     
  Misses          2        2           

Flag	Coverage Δ
unittests	99.86% <ø> (+<0.01%)	⬆️

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