[doc] Update example in traceback doc (GH-96600) (GH-96605)

This Monty Python reference is of-its-time. It could seem inappropriate in the context of today's sensibilities around mental health.

Automerge-Triggered-By: GH:iritkatriel
(cherry picked from commit c4999f261fb0cb28ef713b48ef2e81ca5a3eb1e1)