CHANGELOG: Update changelog about modules instead of ./vendor (#12313)
CHANGELOG: Update changelog about modules instead of ./vendor (#12313)

Follow up to PR: https://github.com/etcd-io/etcd/pull/12279
etcd-io/etcd,mqliang/etcd,mkumatag/etcd,li-ang/etcd,coreos/etcd,ajityagaty/etcd,mqliang/etcd,rnaveiras/etcd,li-ang/etcd,mkumatag/etcd,ajityagaty/etcd,rnaveiras/etcd,mqliang/etcd,mkumatag/etcd,etcd-io/etcd,gyuho/etcd,gyuho/etcd,etcd-io/etcd,rnaveiras/etcd,coreos/etcd,ajityagaty/etcd