Fix renamed field (#60)

Reviewed-on: https://git.data.coop/data.coop/membersystem/pulls/60

src/services/views.py

@@ -109,6 +109,6 @@ def get_services(*, user: User) -> list[ServiceInterface]:
     return [
         access.service_implementation
         for access in ServiceAccess.objects.filter(
-            user=user,
+            member=user,
         )
     ]