Updated openstack/openstack
Project: openstack/keystone  7fa6e92c441644c0d990e79a78692b786d88acec

Adds IPv6 url validation support

Fixes an issue where url validation fails when attempting to
create an endpoint with an IPv6 address in the URL.

Change-Id: I179b0cb7e5546a3a051e5a1e6390385a833b9f96
Closes-Bug: 1386376