Retry the unassigned nodes.

Increases robustness against sporadic failures of ic-admin or dre.

dags/rollout_ic_os_to_subnets.py

@@ -185,6 +185,7 @@ def collect_batch_subnets(
             task_id="upgrade_unassigned_nodes",
             simulate=cast(bool, "{{ params.simulate }}"),
             network=network,
+            retries=retries,
         )
 
         task_groups = []