etcdserver: Fix: cannot promote member from follower when auth is enabled#20792

fuweid merged 4 commits into

etcd-io:mainetcd-io/etcd:mainfrom

xUser5000:fix/cannot-promote-member-from-follower-when-auth-is-enabledxUser5000/etcd:fix/cannot-promote-member-from-follower-when-auth-is-enabledCopy head branch name to clipboard