Bump djangorestframework from 3.10.1 to 3.10.2

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.10.1 to 3.10.2.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.10.1...3.10.2)

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

requirements.txt

@@ -10,7 +10,7 @@ django-jwt-auth==0.0.2
 django-uuidfield==0.5.0
 django-webpack-loader==0.6.0
 Django==1.11.22
-djangorestframework==3.10.1
+djangorestframework==3.10.2
 freezegun==0.3.12
 graphene-django==2.2.0
 graphene==2.1.6