run and upload coverage results to codecov

[Verus20]

Description

This PR uploads coverage results to codecov for analysis.

https://luminosity-led.atlassian.net/browse/LL-335

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

1. Run coverage tests on GH actions.
2. Code coverage results should appear on codecov.

Checklist (when relevant):

• My code follows the style guidelines of this project

  TypeScript
  Python
  Schema

• I have included a reviewer on the pull request [Replace this text with the reviewer]

• I have performed a self-review of my own code

• I have commented my code, particularly in hard-to-understand areas

• I have made corresponding changes to the documentation

• My changes generate no new warnings

• I have added tests that prove my fix is effective or that my feature works

• New and existing unit tests pass locally with my changes

• Any dependent changes have been merged and published in downstream modules

[codecov]

Welcome to Codecov 🎉

Once you merge this PR into your default branch, you're all set! Codecov will compare coverage reports and display results in all future pull requests.

Thanks for integrating Codecov - We've got you covered ☂️