Migrate CI to Github Actions

[nickw444]

Provide a more accessible and less complex form of CI for this repo. The workflow definition file for Github Actions is more or less similar to Azure Pipelines (not a surprise, given they are likely sharing a lot under the hood given the MSFT acquisition of GitHub)

[codecov-commenter]

Codecov Report

Merging #100 (b33f53c) into master (bcc68de) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #100   +/-   ##
=======================================
  Coverage   89.78%   89.78%           
=======================================
  Files           2        2           
  Lines         274      274           
  Branches       39       39           
=======================================
  Hits          246      246           
  Misses         13       13           
  Partials       15       15           

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[HeMan]

Looks good! I wonder if a bump to the pinned requirements in requirements-dev.txt should be done now as well.

[nickw444]

Looks good! I wonder if a bump to the pinned requirements in requirements-dev.txt should be done now as well.

I'll do a follow up PR once this is merged.