Update codecov/codecov-action action to v3.1.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	patch	v3.1.5 -> v3.1.6

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Release Notes

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

### [`v3.1.6`](https://togithub.com/codecov/codecov-action/compare/v3.1.5...v3.1.6) [Compare Source](https://togithub.com/codecov/codecov-action/compare/v3.1.5...v3.1.6)

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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.

[codecov[bot]]

Codecov Report

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

Comparison is base (9af4b02) 68.42% compared to head (6140da9) 68.42%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #38 +/- ## ======================================= Coverage 68.42% 68.42% ======================================= Files 2 2 Lines 38 38 ======================================= Hits 26 26 Misses 12 12 ```

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