Bump djangorestframework from 3.11.0 to 3.11.2

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.11.0 to 3.11.2.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.11.0...3.11.2)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ gunicorn == 20.0.4
 Django==3.1.6
 tweepy==3.8.0
 tensorflow==2.2.0
-djangorestframework==3.11.0
+djangorestframework==3.11.2
 django-cors-headers==3.2.1
 django-filter==2.2.0
 json5==0.8.5