Merge pull request #1393 from getsentry/asottile-latest-django-stubs

add latest django-stubs-ext

Author: asottile-sentry

packages.ini

@@ -448,6 +448,7 @@ validate_incorrect_missing_deps = six
 [django-stubs-ext==5.1.1]
 [django-stubs-ext==5.1.2]
 [django-stubs-ext==5.1.3]
+[django-stubs-ext==5.2.0]
 
 [djangorestframework==3.12.4]
 [djangorestframework==3.13.1]