Merge ~r00ta/maas:lp-2056781-3.5 into maas:3.5

[Jacopo Rota]

fix: lp-2056781. no maximum attempts for the download-bootresourcefile activity in the sync-bootresources workflow

(cherry picked from commit 348e1da0f425f855be385cc9cb23c96162a111b0)

[Jacopo Rota (r00ta)]

self-approving backport

review: Approve

[MAAS Lander (maas-lander)]

UNIT TESTS
-b lp-2056781-3.5 lp:~r00ta/maas/+git/maas into -b 3.5 lp:~maas-committers/maas

STATUS: SUCCESS
COMMIT: ec51b479aa60b97388084dc902a9966f9759a360

review: Approve

diff --git a/src/maasserver/workflow/bootresource.py b/src/maasserver/workflow/bootresource.py
index 9d9875c..5c6528e 100644
--- a/src/maasserver/workflow/bootresource.py
+++ b/src/maasserver/workflow/bootresource.py
@@ -225,7 +225,7 @@ class DownloadBootResourceWorkflow:
             heartbeat_timeout=HEARTBEAT_TIMEOUT,
             cancellation_type=ActivityCancellationType.WAIT_CANCELLATION_COMPLETED,
             retry_policy=RetryPolicy(
-                maximum_attempts=max(2, len(input.source_list)),
+                maximum_attempts=0,  # No maximum attempts
                 maximum_interval=timedelta(seconds=60),
             ),
         )