ci: apply ruff-isort canonical grouping in i18n migrations

mandelstudio/i18nmigrations/catalogue/0034_attributeoption_option_de_attributeoption_option_en_and_more.py

@@ -1,6 +1,7 @@
 # Generated by Django 5.2.11 on 2026-03-16 17:09
 
 from django.db import migrations, models
+
 import oscar.models.fields.slugfield
 import oscar.utils.models
 

mandelstudio/i18nmigrations/cookie_jar/0007_cookiesettings_cookie_message_de_and_more.py

@@ -1,6 +1,7 @@
 # Generated by Django 5.2.11 on 2026-03-16 08:17
 
 from django.db import migrations
+
 import wagtail.fields
 
 

mandelstudio/i18nmigrations/ocyan_plugin_wagtail/0030_ocyansettings_delivery_time_text_de_and_more.py

@@ -1,6 +1,7 @@
 # Generated by Django 5.2.11 on 2026-03-16 08:35
 
 from django.db import migrations, models
+
 import wagtail.fields