Update sphinx-autodoc-typehints to 1.5.0

[pyup-bot]

This PR updates sphinx-autodoc-typehints from 1.4.0 to 1.5.0.

Changelog

1.5.0

=====

* The setting of the ``typing.TYPECHECKING`` flag is now configurable using the
``set_type_checking_flag`` option

Links

• PyPI: https://pypi.org/project/sphinx-autodoc-typehints
• Changelog: https://pyup.io/changelogs/sphinx-autodoc-typehints/

[codecov]

Codecov Report

Merging #919 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #919   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           9      9           
  Lines         420    420           
  Branches       10     10           
=====================================
  Hits          420    420

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