Update codecov/codecov-action action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	major	v2 -> v3

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Release Notes

codecov/codecov-action

v3

Compare Source

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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 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, click this checkbox.

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[codecov]

Codecov Report

Merging #93 (72bb754) into master (27b8855) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #93   +/-   ##
=======================================
  Coverage   99.47%   99.47%           
=======================================
  Files          15       15           
  Lines         381      381           
  Branches       12       12           
=======================================
  Hits          379      379           
  Partials        2        2           

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