update CHANGELOG-3.5.md to cover the fix for issue 13494
update CHANGELOG-3.5.md to cover the fix for issue 13494

rnaveiras/etcd,mqliang/etcd,ajityagaty/etcd,mqliang/etcd,etcd-io/etcd,rnaveiras/etcd,mkumatag/etcd,mqliang/etcd,ajityagaty/etcd,ajityagaty/etcd,etcd-io/etcd,mkumatag/etcd,mkumatag/etcd,etcd-io/etcd,rnaveiras/etcd