Updated openstack/openstack
Project: openstack/keystone  8661e941ab34e9dc1d1de7d9022415d550cfe569

Adds region back into the catalog endpoint

This was removed as a side effect of this commit:
8ea1b14e4d7cf6d67f9796e1b3d13f4cc198015b

Change-Id: I495589e850cf110ff264ec800638c6673e6a98e0
Closes-Bug: #1364463