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 9am on Friday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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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• If you want to rebase/retry this PR, check this box

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[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠ Warning: custom changes will be lost.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7363b52) 98.76% compared to head (a62ffb6) 98.82%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #144      +/-   ##
==========================================
+ Coverage   98.76%   98.82%   +0.06%     
==========================================
  Files          55       54       -1     
  Lines        1535     1534       -1     
  Branches      144      144              
==========================================
  Hits         1516     1516              
+ Misses          4        3       -1     
  Partials       15       15              

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