[chore] enable codecov

[msbaines]

Before submitting

• Was this discussed/approved via a Github issue? (no need for typos, doc improvements)
• Did you read the contributor guideline?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Fixes # (issue).

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in Github issues there's a high chance it will not be merged.

Did you have fun?

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@571f5ef). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #35   +/-   ##
=========================================
  Coverage          ?   94.06%           
=========================================
  Files             ?       35           
  Lines             ?     2006           
  Branches          ?        0           
=========================================
  Hits              ?     1887           
  Misses            ?      119           
  Partials          ?        0           

Flag	Coverage Δ
#Python	94.06% <0.00%> (?)

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