Pin osc-lib to 2.2.0 to allow sharing images

Pin osc-lib to 2.2.0 to allow sharing images

Using lftools openstack image share returns an error
"You are not authorized to find project with the name".
The issue is with osc_lib bug [1] resolved in osc_lib==2.2.0

[1] https://bugs.launchpad.net/ubuntu/+source/python-openstackclient/+bug/1864203
[2] https://opendev.org/openstack/osc-lib/commit/1ff3720daefd98a77557e5692fd7052b5930ae6c

Issue: RELENG-3099
Change-Id: I5e70443007d1ed6074802e502edb149008fcdced
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>