Bump djangorestframework from 3.14.0 to 3.15.2

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.14.0 to 3.15.2.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.14.0...3.15.2)

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

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

requirements.txt

@@ -187,7 +187,7 @@ django-solo==2.0.0
     # via -r requirements.in
 django-taggit==3.1.0
     # via -r requirements.in
-djangorestframework==3.14.0
+djangorestframework==3.15.2
     # via
     #   -r requirements.in
     #   django-parler-rest
@@ -404,7 +404,6 @@ pytz==2022.7.1
     #   -r requirements.in
     #   babel
     #   delorean
-    #   djangorestframework
     #   drf-yasg
     #   icalendar
 pytz-deprecation-shim==0.1.0.post0