Feature/move to codecov

[alexjbush]

Description

Move the code coverage provider to codecov

Type of change

Please delete options that are not relevant.

• [C] 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?

Readme renders fine

[codecov-io]

Codecov Report

:exclamation: No coverage uploaded for pull request base (develop@7edaeec). Click here to learn what that means. The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop      #78   +/-   ##
==========================================
  Coverage           ?   81.95%           
==========================================
  Files              ?       56           
  Lines              ?     1585           
  Branches           ?       66           
==========================================
  Hits               ?     1299           
  Misses             ?      286           
  Partials           ?        0

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