Revert "Revert "temp: trace celery tasks in dd"" (#34563)

* Revert "Revert "temp: trace celery tasks in dd (#34537)" (#34553)"

This reverts commit a7b441690d.

* docs: Update removal date on temporary celery flag.

openedx/core/lib/celery/__init__.py

@@ -19,6 +19,15 @@ over older code, and there is probably a better mechanism to be had.)
 
 from celery import Celery
 
+# TEMP: This code will be removed by ARCH-BOM on 4/23/24
+# ddtrace allows celery task logs to be traced by the dd agent.
+# TODO: remove this code.
+try:
+    from ddtrace import patch
+    patch(celery=True)
+except ImportError:
+    pass
+
 # WARNING: Do not refer to this unless you are cms.celery or
 # lms.celery. See module docstring!
 APP = Celery('proj')