Update setuptools to 45.3.0

[pyup-bot]

This PR updates setuptools from 45.2.0 to 45.3.0.

Changelog

45.3.0

-------

* 1557: Deprecated eggsecutable scripts and updated docs.
* 1904: Update msvc.py to use CPython 3.8.0 mechanism to find msvc 14+

Links

• PyPI: https://pypi.org/project/setuptools
• Changelog: https://pyup.io/changelogs/setuptools/
• Repo: https://github.com/pypa/setuptools

[codecov]

Codecov Report

Merging #214 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #214   +/-   ##
=======================================
  Coverage   69.91%   69.91%           
=======================================
  Files          16       16           
  Lines        1569     1569           
=======================================
  Hits         1097     1097           
  Misses        472      472

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[pyup-bot]

Closing this in favor of #215