chore(deps): 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]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.73%. Comparing base (2bb228b) to head (d2d1a4e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #86   +/-   ##
=======================================
  Coverage   69.73%   69.73%           
=======================================
  Files           3        3           
  Lines          76       76           
  Branches       15       15           
=======================================
  Hits           53       53           
  Misses         16       16           
  Partials        7        7           

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