Update pygithub to 1.44.1

[pyup-bot]

This PR updates PyGithub from 1.44 to 1.44.1.

The bot wasn't able to find a changelog for this release. Got an idea?

Links

• PyPI: https://pypi.org/project/pygithub
• Changelog: https://pyup.io/changelogs/pygithub/
• Repo: http://pygithub.readthedocs.io/en/latest/

[coveralls]

Pull Request Test Coverage Report for Build 4818

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 74.757%

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Totals
Change from base Build 4815:	0.0%
Covered Lines:	3815
Relevant Lines:	4846

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💛 - Coveralls

[codecov-io]

Codecov Report

Merging #1203 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1203   +/-   ##
=======================================
  Coverage   74.37%   74.37%           
=======================================
  Files         119      119           
  Lines        4846     4846           
  Branches      602      602           
=======================================
  Hits         3604     3604           
+ Misses       1031     1030    -1     
- Partials      211      212    +1

Impacted Files	Coverage Δ
tcms/core/history.py	90.69% <0%> (ø)	⬆️

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