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	v3.1.4 -> v3.1.6

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Release Notes

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

### [`v3.1.6`](https://redirect.github.com/codecov/codecov-action/releases/tag/v3.1.6) [Compare Source](https://redirect.github.com/codecov/codecov-action/compare/v3.1.5...v3.1.6) **Full Changelog**: https://github.com/codecov/codecov-action/compare/v3.1.5...v3.1.6 ### [`v3.1.5`](https://redirect.github.com/codecov/codecov-action/releases/tag/v3.1.5) [Compare Source](https://redirect.github.com/codecov/codecov-action/compare/v3.1.4...v3.1.5) #### What's Changed - action.yml: Update to Node.js 20 by [@​hallabro](https://redirect.github.com/hallabro) in [https://github.com/codecov/codecov-action/pull/1228](https://redirect.github.com/codecov/codecov-action/pull/1228) #### New Contributors - [@​hallabro](https://redirect.github.com/hallabro) made their first contribution in [https://github.com/codecov/codecov-action/pull/1228](https://redirect.github.com/codecov/codecov-action/pull/1228) **Full Changelog**: https://github.com/codecov/codecov-action/compare/v3.1.4...v3.1.5

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

♻ Rebasing: Whenever PR is behind base branch, 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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