chore(deps-dev): Bump django from 2.1.11 to 2.2.10 in /requirements

Bumps [django](https://github.com/django/django) from 2.1.11 to 2.2.10.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@2.1.11...2.2.10)

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

requirements/development.txt

@@ -3,7 +3,7 @@
 
 # Core Stuff
 # -------------------------------------
-Django==2.1.11
+Django==2.2.10
 djangorestframework==3.9.1
 
 # Code quality