ci: update setup-python unsupported version

[zhongjiajie]

python 38 and 39 are not supported on macos-latest anymore, see more detail at
actions/setup-python#696 (comment)

Brief Summary of The Change

Pull Request checklist

I confirm that the following checklist has been completed.

• Add/Change test cases for the changes.
• Add/Change the related documentation, should also change docs/source/config.rst when you change file default_config.yaml.
• (Optional) Add your change to UPDATING.md when it is an incompatible change.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.88%. Comparing base (5470f3e) to head (65aa99f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #143   +/-   ##
=======================================
  Coverage   90.88%   90.88%           
=======================================
  Files          64       64           
  Lines        2371     2371           
=======================================
  Hits         2155     2155           
  Misses        216      216           

Flag	Coverage Δ
unittests	90.88% <ø> (ø)

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[zhongjiajie]

@SbloodyS fast 🚀