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 74.37%. Comparing base (db3ec48) to head (e80418d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #111   +/-   ##
=======================================
  Coverage   74.37%   74.37%           
=======================================
  Files           6        6           
  Lines         320      320           
  Branches       50       50           
=======================================
  Hits          238      238           
  Misses         67       67           
  Partials       15       15           

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