chore(deps): update codecov/codecov-action action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	major	v3 -> v4

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Release Notes

codecov/codecov-action (codecov/codecov-action)

v4

Compare Source

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Configuration

📅 Schedule: Branch creation - "before 4am on Monday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4d657e9) 70.02% compared to head (a02e62d) 69.84%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #194      +/-   ##
==========================================
- Coverage   70.02%   69.84%   -0.18%     
==========================================
  Files          39       39              
  Lines        2345     1897     -448     
==========================================
- Hits         1642     1325     -317     
+ Misses        650      519     -131     
  Partials       53       53              

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