app/install: update etcd version
app/install: update etcd version

Signed-off-by: Gyuho Lee <3454051ee3341eb69bdf6fca40899cdad4d86496@gmail.com>

gyuho/etcdlabs,gyuho/etcdlabs,gyuho/etcdlabs,gyuho/etcdlabs,gyuho/etcdlabs