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 87.79%. Comparing base (eb4b55c) to head (0815233).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #136   +/-   ##
=======================================
  Coverage   87.79%   87.79%           
=======================================
  Files          10       10           
  Lines         385      385           
  Branches       55       55           
=======================================
  Hits          338      338           
  Misses         26       26           
  Partials       21       21           

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