Updated openstack/openstack
Project: openstack/requirements  4f40f7bca6e6964f47ea5b58122abd608eb3140a

Update python-saharaclient to 0.7.5 version

A new version of saharaclient allows use cinder volume types and
availability zones. Update of client need for integration these
features in Heat and Horizon.

Change-Id: I6fe951d022bcfcb45a67886c33aec026d2310666