Fix Ruff import ordering for CI

src/apps/external_data/api.py

@@ -1,8 +1,5 @@
 """Read-only APIs for external data registries."""
 
-from django_filters import rest_framework as filters
-from rest_framework.permissions import IsAuthenticated
-
 from apps.core.viewsets import ClassicReadOnlyViewSet
 from apps.external_data.models import (
     ArbitrationCase,
@@ -16,6 +13,8 @@ from apps.external_data.serializers import (
     ProsecutorCheckSerializer,
     PublicProcurementSerializer,
 )
+from django_filters import rest_framework as filters
+from rest_framework.permissions import IsAuthenticated
 
 
 class IndustrialProductFilter(filters.FilterSet):