this can be verified in the future by checking that https://search.ci.openshift.org/?search=Cluster+should+restore+itself+after+quorum+loss&maxAge=48h&context=1&type=junit&name=.*4.6.*&excludeName=&maxMatches=5&maxBytes=20971520&groupBy=job returns no results.
(or at least no results after the date the PR merged)
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.6.42 bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:3008