Update twine to 3.2.0

[pyup-bot]

This PR updates twine from 1.15.0 to 3.2.0.

Changelog

3.2.0

* :feature:`666` Improve display of HTTP errors during upload
* :feature:`649` Use red text when printing errors on the command line
* :feature:`652` Print packages and signatures to be uploaded when using
``--verbose`` option
* :bug:`655 major` Update URL to ``.pypirc`` specfication
* :feature:`602` Require repository URL scheme to be ``http`` or ``https``
* :bug:`612 major` Don't raise an exception when Python version can't be
parsed from filename
* :bug:`611 major` Fix inaccurate retry message during ``upload``
* :bug:`601 major` Clarify error messages for archive format
* :feature:`231` Add type annotations, checked with mypy, with :pep:`561`
support for users of Twine's API

3.1.1

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

3.1.0

* :feature:`547` Add support for specifying ``--non-interactive`` as an
environment variable.

3.0.0

* :feature:`336` When a client certificate is indicated, all password
processing is disabled.
* :feature:`489` Add ``--non-interactive`` flag to abort upload rather than
interactively prompt if credentials are missing.
* :feature:`524` Twine now unconditionally requires the keyring library
and no longer supports uninstalling ``keyring`` as a means to disable
that functionality. Instead, use ``keyring --disable`` keyring functionality
if necessary.
* :feature:`518` Add Python 3.8 to classifiers.
* :bug:`332 major` More robust handling of server response in
``--skip-existing``

2.0.0

* :feature:`437` Twine now requires Python 3.6 or later. Use pip
9 or pin to "twine<2" to install twine on older Python versions.
* :bug:`491 major` Require requests 2.20 or later to avoid reported security
vulnerabilities in earlier releases.

Links

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

[coveralls]

Pull Request Test Coverage Report for Build 1028

• 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 100.0%

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Totals
Change from base Build 934:	0.0%
Covered Lines:	139
Relevant Lines:	139

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💛 - Coveralls

[peterfarrell]

Fixed in #284