Update version of cloudify client in cloudify plugin requirements
Update version of cloudify client in cloudify plugin requirements

To be able to use the latest Cloudify test environment, it is
needed to have Cloudify Python client of version 3.2.0.

Change-Id: I006718fd6f458e3c214a5c78701e99a4e348a731
Closes-bug: #1587952

openstack/murano,DavidPurcell/murano_temp,DavidPurcell/murano_temp,DavidPurcell/murano_temp,DavidPurcell/murano_temp,openstack/murano