Bump djangorestframework from 3.12.4 to 3.14.0

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.12.4 to 3.14.0.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.12.4...3.14.0)

---
updated-dependencies:
- dependency-name: djangorestframework
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pyproject.toml

@@ -27,7 +27,7 @@ django-pandas = "0.6.2"
 django-prettyjson = "0.4.1"
 django-revproxy = { git = "https://github.com/Innovativity/django-revproxy.git", branch = "b9fa8375d03fd68747dcb7273a97c19d788aa51b" }
 django-storages = "1.11.1"
-djangorestframework = "3.12.4"
+djangorestframework = "3.14.0"
 djangorestframework-jsonapi = "3.1.0"
 docker = "4.2.1"
 drf-nested-routers = "0.93.3"