Use abstract Collection type in update_file_permissions() annotation

cms/private_media/management/commands/retry_file_permission_set_attempts.py

@@ -1,3 +1,4 @@
+from collections.abc import Collection
 from typing import TYPE_CHECKING, Any
 
 from django.core.management.base import BaseCommand
@@ -49,7 +50,7 @@ def handle(self, *args: Any, **options: Any) -> None:
             self.update_file_permissions(model, make_public, Privacy.PUBLIC)
 
     def update_file_permissions(
-        self, model_class: type["PrivateMediaMixin"], items: list["PrivateMediaMixin"], privacy: Privacy
+        self, model_class: type["PrivateMediaMixin"], items: Collection["PrivateMediaMixin"], privacy: Privacy
     ) -> None:
         """Update the file permissions for the provided items to reflect the provided privacy status."""
         plural = model_class._meta.verbose_name_plural