Update setuptools to 45.1.0

[pyup-bot]

This PR updates setuptools from 45.0.0 to 45.1.0.

Changelog

45.1.0

-------

* 1458: Add minimum sunset date and preamble to Python 2 warning.
* 1704: Set sys.argv[0] in setup script run by build_meta.__legacy__
* 1974: Add Python 3 Only Trove Classifier and remove universal wheel declaration for more complete transition from Python 2.

Links

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

[codecov]

Codecov Report

Merging #280 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #280   +/-   ##
========================================
  Coverage    73.02%   73.02%           
========================================
  Files           74       74           
  Lines         2843     2843           
========================================
  Hits          2076     2076           
  Misses         767      767

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