fix(aci): Retry failures in delayed_workflow (#94470)

When there's a failure, we'd like to retry.
We already exit cleanly in known terminal cases.
There's a risk of runaway retries from not being specific in what we're
targeting, but there's a limit to how many times we retry, and all known
unhandled exceptions so far we've wanted retry for. Retry is a
reasonably safe default for us.

Author: kcons

src/sentry/workflow_engine/processors/delayed_workflow.py

@@ -28,7 +28,7 @@
     delayed_processing_registry,
 )
 from sentry.silo.base import SiloMode
-from sentry.tasks.base import instrumented_task
+from sentry.tasks.base import instrumented_task, retry
 from sentry.tasks.post_process import should_retry_fetch
 from sentry.taskworker.config import TaskworkerConfig
 from sentry.taskworker.namespaces import issues_tasks
@@ -675,6 +675,7 @@ def repr_keys[T, V](d: dict[T, V]) -> dict[str, V]:
         ),
     ),
 )
+@retry
 @log_context.root()
 def process_delayed_workflows(
     project_id: int, batch_key: str | None = None, *args: Any, **kwargs: Any