Update django-extensions to 3.1.0

[pyup-bot]

This PR updates django-extensions from 3.0.9 to 3.1.0.

Changelog

3.1.0

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Changes:
- Improvement: pipchecker, sleep 60s if pypi raises a fault
- Improvement: add django_zero_downtime_migrations to list of supported postgresql engines
- Improvement: use list of supported database engines from settings for all database commands
- Improvement: reset_db, documentation
- Fix: tests, Python 3.9 fixes for some tests
- Fix: runserver_plus, parsing of RUNSERVER_PLUS_EXTRA_FILES

Links

• PyPI: https://pypi.org/project/django-extensions
• Changelog: https://pyup.io/changelogs/django-extensions/
• Repo: http://github.com/django-extensions/django-extensions

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@e9e3ed0). Click here to learn what that means.
The diff coverage is 97.39%.

@@            Coverage Diff            @@
##             master    #1442   +/-   ##
=========================================
  Coverage          ?   83.99%           
=========================================
  Files             ?       48           
  Lines             ?      681           
  Branches          ?        0           
=========================================
  Hits              ?      572           
  Misses            ?      109           
  Partials          ?        0           

Impacted Files	Coverage Δ
pypro/modulos/apps.py	0.00% <0.00%> (ø)
pypro/turmas/apps.py	0.00% <0.00%> (ø)
pypro/urls.py	71.42% <ø> (ø)
pypro/modulos/migrations/0003_populando_slug.py	80.00% <80.00%> (ø)
pypro/settings.py	65.21% <90.00%> (ø)
pypro/aperitivos/models.py	90.90% <90.90%> (ø)
pypro/modulos/models.py	92.30% <92.30%> (ø)
pypro/aperitivos/admin.py	100.00% <100.00%> (ø)
pypro/aperitivos/migrations/0001_initial.py	100.00% <100.00%> (ø)
...o/aperitivos/migrations/0002_auto_20190910_0940.py	100.00% <100.00%> (ø)
... and 34 more

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[pyup-bot]

Closing this in favor of #1567