Bump djangorestframework from 3.15.1 to 3.16.1

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.15.1 to 3.16.1.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.15.1...3.16.1)

---
updated-dependencies:
- dependency-name: djangorestframework
  dependency-version: 3.16.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -7,7 +7,7 @@ Django==4.2.13
 django-picklefield==3.2
 django-storages==1.14.3
 django-webpack-loader==1.8.1
-djangorestframework==3.15.1
+djangorestframework==3.16.1
 google-api-python-client==2.181.0
 gunicorn==22.0.0
 h2==4.1.0