chore(deps): update actions/setup-node action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v4 → v6

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Release Notes

actions/setup-node (actions/setup-node)

v6

Compare Source

v5

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 80.74%. Comparing base (295659e) to head (63f8177).
⚠️ Report is 13 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1358   +/-   ##
=======================================
  Coverage   80.74%   80.74%           
=======================================
  Files          29       29           
  Lines        1501     1501           
  Branches      371      371           
=======================================
  Hits         1212     1212           
  Misses        231      231           
  Partials       58       58           

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