chore(deps): update dependency django-stubs-ext to v6 (#18494)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -63,7 +63,7 @@ test = [
 types = [
   "boto3-stubs==1.42.69",
   "celery-types==0.26.0",
-  "django-stubs-ext==5.2.9",
+  "django-stubs-ext==6.0.0",
   "django-stubs[compatible-mypy]==5.2.9",
   "djangorestframework-stubs==3.16.8",
   "mypy==1.19.1",