Bump djangorestframework from 3.15.0 to 3.15.2

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.15.0 to 3.15.2.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.15.0...3.15.2)

---
updated-dependencies:
- dependency-name: djangorestframework
  dependency-type: direct:production
...

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

requirements.txt

@@ -1,7 +1,7 @@
 colorama==0.4.6
 dj-database-url==2.1.0
 Django==4.2.11
-djangorestframework==3.15.0
+djangorestframework==3.15.2
 gunicorn==21.2.0
 html5lib==1.1
 httplib2==0.22.0