etcd 0.4.3

Closes #30148.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
etcdctl 0.4.3

Closes #30149.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
etcd: add 0.4.3 bottle.
etcdctl: add 0.4.3 bottle.