Update webargs to 8.2.0

[pyup-bot]

This PR updates webargs from 8.0.0 to 8.2.0.

Changelog

8.2.0

******************

Features:

* A new method, ``webargs.Parser.async_parse``, can be used for async-aware
parsing from the base parser class. This can handle async location loader
functions and async error handlers.

* ``webargs.Parser.use_args`` and ``use_kwargs`` can now be used to decorate
async functions, and will use  ``async_parse`` if the decorated function is
also async. They will call the non-async ``parse`` method when used to
decorate non-async functions.

* As a result of the changes to ``webargs.Parser``, ``FlaskParser``,
``DjangoParser``, and ``FalconParser`` now all support async views.
Thanks :user:`Isira-Seneviratne` for the initial PR.

Changes:

* The implementation of ``AsyncParser`` has changed. Now that
``webargs.Parser`` has built-in support for async usage, the primary
purpose of ``AsyncParser`` is to redefine ``parse`` as an alias for
``async_parse``

* Set ``python_requires>=3.7.2`` in package metadata (:pr:`692`).
Thanks :user:`kasium` for the PR.

8.1.0

******************

Bug fixes:

* Fix publishing type hints per `PEP-561 <https://www.python.org/dev/peps/pep-0561/>`_.
(:pr:`650`).
* Add DelimitedTuple to fields.__all__ (:pr:`678`).
* Narrow type of ``argmap`` from ``Mapping`` to ``Dict`` (:pr:`682`).

Other changes:

* Test against Python 3.10 (:pr:`647`).
* Drop support for Python 3.6 (:pr:`673`).
* Address distutils deprecation warning in Python 3.10 (:pr:`652`).
Thanks :user:`kkirsche` for the PR.
* Use postponed evaluation of annotations (:pr:`663`).
Thanks :user:`Isira-Seneviratne` for the PR.
* Pin mypy version in tox (:pr:`674`).
* Improve type annotations for ``__version_info__`` (:pr:`680`).

8.0.1

******************

Bug fixes:

* Fix "``DelimitedList`` deserializes empty string as ``['']``" (:issue:`623`).
Thanks :user:`TTWSchell` for reporting and for the PR.

Other changes:

* New documentation theme with `furo`. Thanks to :user:`pradyunsg` for writing
furo!
* Webargs has a new logo. Thanks to :user:`michaelizergit`! (:issue:`312`)
* Don't build universal wheels. We don't support Python 2 anymore.
(:pr:`632`)
* Make the build reproducible (:pr:`631`).

Links

• PyPI: https://pypi.org/project/webargs
• Changelog: https://pyup.io/changelogs/webargs/
• Repo: https://github.com/marshmallow-code/webargs

[coveralls]

Coverage remained the same at 86.413% when pulling 44ed7d9 on pyup-update-webargs-8.0.0-to-8.2.0 into 2716a32 on master.