Update actions/setup-python action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-python	action	major	v5 -> v6

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Release Notes

actions/setup-python (actions/setup-python)

v6

Compare Source

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Configuration

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.10%. Comparing base (233bd50) to head (f840670).
⚠️ Report is 1 commits behind head on main.
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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #42      +/-   ##
==========================================
+ Coverage   93.54%   95.10%   +1.56%     
==========================================
  Files          17       23       +6     
  Lines         790     1001     +211     
==========================================
+ Hits          739      952     +213     
+ Misses         51       49       -2     

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