set code_owner for celery tasks

ARCHBOM-1260

Co-authored-by: Tim McCormack <tmccormack@edx.org>

lms/djangoapps/program_enrollments/tasks.py

@@ -7,6 +7,7 @@ from datetime import timedelta
 from celery import task
 from celery_utils.logged_task import LoggedTask
 from django.utils import timezone
+from edx_django_utils.monitoring import set_code_owner_attribute
 
 from lms.djangoapps.program_enrollments.models import ProgramCourseEnrollment, ProgramEnrollment
 
@@ -14,6 +15,7 @@ log = logging.getLogger(__name__)
 
 
 @task(base=LoggedTask)
+@set_code_owner_attribute
 def expire_waiting_enrollments(expiration_days):
     """
     Remove all ProgramEnrollments and related ProgramCourseEnrollments for