Update pytest-django to 3.2.1

[pyup-bot]

This PR updates pytest-django from 3.1.2 to 3.2.1.

Changelog

3.2.1

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Fix automatic deployment to PyPI.

3.2.0

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Features
^^^^^^^^

* Added new fixture `django_assert_num_queries` for testing the number of
database queries (387).
* `--fail-on-template-vars` has been improved and should now return
full/absolute path (470).
* Support for setting the live server port (500).
* unittest: help with setUpClass not being a classmethod (544).

Bug fixes
^^^^^^^^^

* Fix --reuse-db and --create-db not working together (411).
* Numerous fixes in the documentation. These should not go unnoticed 🌟

Compatibility
^^^^^^^^^^^^^

* Support for Django 2.0 has been added.
* Support for Django before 1.8 has been dropped.

Links

• PyPI: https://pypi.org/project/pytest-django
• Changelog: https://pyup.io/changelogs/pytest-django/
• Docs: https://pytest-django.readthedocs.io/