tasks: import QuerySet for task relation

Agent-thread: https://sdko.org/internal/thr/ak/019ea7bb-2f26-7161-b5ac-494255d94a93

A7k-product: product

A7k-product-repo: 4

Co-authored-by: Agent <agent@svc.sdko.net>

authentik/tasks/models.py

@@ -6,6 +6,7 @@ import pgtrigger
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
+from django.db.models import QuerySet
 from django.utils.translation import gettext_lazy as _
 from django_dramatiq_postgres.models import TaskBase, TaskState
 from dramatiq.errors import Retry