Bump djangorestframework from 3.14.0 to 3.16.0

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.14.0 to 3.16.0.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.14.0...3.16.0)

---
updated-dependencies:
- dependency-name: djangorestframework
  dependency-version: 3.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -15,7 +15,7 @@ django-environ = "0.11.2"
 django-filter = "25.1"
 django-prometheus = "2.3.1"
 django-simple-bulma = "2.6.0"
-djangorestframework = "3.14.0"
+djangorestframework = "3.16.0"
 gunicorn = "23.0.0"
 httpx = "0.28.1"
 markdown = "3.7"