[qa] Gerrit breach and commit audit

Hello Everyone, As per the announcement of the Gerrit breach [1], I have audited all repos under QA for 1. Suspicious commit 2. Core group list and everything is fine. - https://etherpad.opendev.org/p/qa-gerrit-breach-audit [1] http://lists.opendev.org/pipermail/service-announce/2020-October/000011.html -gmann