chore(deps): update dependency django-stubs to v6.0.3 (#1466)

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

Author: renovate[bot]

pyproject.toml

@@ -30,7 +30,7 @@ test = [
 types = [
   "celery-types==0.26.0",
   "django-stubs-ext==6.0.3",
-  "django-stubs[compatible-mypy]==6.0.2",
+  "django-stubs[compatible-mypy]==6.0.3",
   "mypy==1.20.1",
   "types-dateparser==1.4.0.20260408",
   "types-python-dateutil==2.9.0.20260408",