Use codecov token & add codecov yaml

[JeffGreiner-eaton]

Fixes BLUI-5748.

Changes proposed in this Pull Request:

• move codecov.yml to GitHub folder and set the configuration with status checks and use the default PR comment from codecov
• use codecov token with upload action

Screenshots / Screen Recording (if applicable)

• see this PR for screenshot & calc example https://github.com/etn-ccis/blui-react-component-library/pull/883

To Test:

Any specific feedback you are looking for?

-

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 48573cf):

https://blui-angular-login--pr330-feature-blui-5748-co-hij2dazi.web.app

_{(expires Thu, 23 May 2024 13:15:08 GMT)}

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_{Sign: c381c983f6941ffaaba1dc6ee9adf21884f07b2e}

[codecov[bot]]

Codecov Report

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

Project coverage is 78.89%. Comparing base (3737e81) to head (48573cf). Report is 18 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #330 +/- ## ======================================= Coverage 78.89% 78.89% ======================================= Files 65 65 Lines 1521 1521 Branches 212 212 ======================================= Hits 1200 1200 Misses 264 264 Partials 57 57 ```

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