[chore] Renovate: Update codecov/codecov-action action v3 to v4

[renovate[bot]]

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`](https://togithub.com/codecov/codecov-action/compare/v3...v4) [Compare Source](https://togithub.com/codecov/codecov-action/compare/v3...v4)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), 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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This PR has been generated by Mend Renovate. View repository job log here.

[renovate[bot]]

Branch automerge failure

This PR was configured for branch automerge. However, this is not possible, so it has been raised as a PR instead.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (5c0c1b4) 91.10% compared to head (1dd46ff) 91.04%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #143 +/- ## ========================================== - Coverage 91.10% 91.04% -0.06% ========================================== Files 57 57 Lines 922 905 -17 Branches 132 132 ========================================== - Hits 840 824 -16 + Misses 20 19 -1 Partials 62 62 ```

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