Update codecov/codecov-action action to v3

[renovate[bot]]

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`](https://togithub.com/codecov/codecov-action/compare/v2...v3) [Compare Source](https://togithub.com/codecov/codecov-action/compare/v2...v3)

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Configuration

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

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This change is 

[coveralls]

Coverage increased (+0.03%) to 94.036% when pulling 84376bd32b7ed4985cd2ad072f38b47f6a8e2767 on renovate/codecov-codecov-action-3.x into 64a59ba4744e6722866ff3440d93561da9e85cd0 on master.

[coveralls]

Coverage remained the same at 94.01% when pulling 84376bd32b7ed4985cd2ad072f38b47f6a8e2767 on renovate/codecov-codecov-action-3.x into 64a59ba4744e6722866ff3440d93561da9e85cd0 on master.

[codecov[bot]]

Codecov Report

Merging #106 (84376bd) into master (64a59ba) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #106   +/-   ##
=========================================
  Coverage     93.98%   93.98%           
  Complexity      183      183           
=========================================
  Files             2        2           
  Lines           665      665           
=========================================
  Hits            625      625           
  Misses           40       40           

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