Update twine to 3.1.1

[pyup-bot]

This PR updates twine from 3.1.0 to 3.1.1.

Changelog

3.1.1

* :bug:`548` Restore ``--non-interactive`` as a flag not expecting an
argument.

Links

• PyPI: https://pypi.org/project/twine
• Changelog: https://pyup.io/changelogs/twine/
• Docs: https://twine.readthedocs.io/

[codecov]

Codecov Report

Merging #743 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #743   +/-   ##
=======================================
  Coverage   97.08%   97.08%           
=======================================
  Files          54       54           
  Lines        2742     2742           
=======================================
  Hits         2662     2662           
  Misses         80       80

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