Bump django from 3.0.3 to 3.0.7

Bumps [django](https://github.com/django/django) from 3.0.3 to 3.0.7.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.0.3...3.0.7)

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

Author: dependabot[bot]

requirements.txt

@@ -8,7 +8,7 @@ contextlib2==0.5.5
 decorator==4.4.2
 dephell-specifier==0.2.1
 dj-database-url==0.4.2
-Django==3.0.3
+Django==3.0.7
 django-filter==2.2.0
 djangorestframework==3.11.0
 gunicorn==19.7.1