Bump django from 3.0.5 to 3.0.7

Bumps [django](https://github.com/django/django) from 3.0.5 to 3.0.7.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.0.5...3.0.7)

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

requirements.txt

@@ -1,5 +1,5 @@
 asgiref==3.2.7
-Django==3.0.5
+Django==3.0.7
 pytz==2019.3
 sqlparse==0.3.1
 requests