Hide failing merge rule's name in the internal debugging section (#94932)
Fixes https://github.com/pytorch/test-infra/issues/1081
The merge rule name is not helpful to most readers, and most of the time it's just "superuser." Move this to a less prominent place in the "Details for Dev Infra team" section
Pull Request resolved: https://github.com/pytorch/pytorch/pull/94932
Approved by: https://github.com/huydhn
