Change migration dependency after refactoring in core

aleksis/apps/chronos/migrations/0005_remove_school_related.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('core', '0007_create_admin_user'),
+        ('core', '0008_rename_fields_notification_activity'),
         ('chronos', '0004_room_name_not_unique'),
     ]