Update pytest-django to 3.4.1 (#1753)

This PR updates [pytest-django](https://pypi.org/project/pytest-django) from **3.3.3** to **3.4.1**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.4.0
   ```
   ------------------

Features
^^^^^^^^

* Added new fixture :fixture:`django_assert_max_num_queries` (547).
* Added support for ``connection`` and returning the wrapped context manager
  with :fixture:`django_assert_num_queries` (547).
* Added support for resetting sequences via
  :fixture:`django_db_reset_sequences` (619).

Bugfixes
^^^^^^^^

* Made sure to not call django.setup() multiple times (629, 531).

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

* Removed py dependency, use pathlib instead (631).
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest-django
  - Changelog: https://pyup.io/changelogs/pytest-django/
  - Docs: https://pytest-django.readthedocs.io/
</details>

{{cookiecutter.project_slug}}/requirements/local.txt

@@ -26,4 +26,4 @@ factory-boy==2.11.1  # https://github.com/FactoryBoy/factory_boy
 django-debug-toolbar==1.9.1  # https://github.com/jazzband/django-debug-toolbar
 django-extensions==2.1.0  # https://github.com/django-extensions/django-extensions
 django-coverage-plugin==1.5.0  # https://github.com/nedbat/django_coverage_plugin
-pytest-django==3.3.3  # https://github.com/pytest-dev/pytest-django
+pytest-django==3.4.1  # https://github.com/pytest-dev/pytest-django