[NEW PORT] devel/py-codecov: Python report uploader for Codecov

[cpm]

Summary

Python report uploader for Codecov.

WWW: https://github.com/codecov/codecov-python

[cpm]

Poudriere testsport logs look fine on 9.3ia, 10.2ia and 10.3ia

portlint -AC output looks fine.

'make test' run fine.

[AMDmi3]

I'd suggest to add LICENSE_FILE, but there's no license bundled with the package, so LGTM.

[cpm]

In D6450#136651, @AMDmi3 wrote:

I'd suggest to add LICENSE_FILE, but there's no license bundled with the package, so LGTM.

Thanks Dmitry :)