Bump django from 3.1.13 to 3.1.14

Bumps [django](https://github.com/django/django) from 3.1.13 to 3.1.14.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.1.13...3.1.14)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@ celery==4.4.2
 certifi==2020.4.5.1
 chardet==3.0.4
 coverage==5.1
-Django==3.1.13
+Django==3.1.14
 django-debug-toolbar==2.2
 django-extra-views==0.13.0
 django-widget-tweaks==1.4.8