Bump cryptography version in molecule delegated job
Bump cryptography version in molecule delegated job

The old version present in centos7 images is conflicting with the
version pf pyopenssl needed by requests. Any version greater than 2.6.1
is working at this moment

Change-Id: Iee018f7f74b875644d4777d8e17c7e9cb36fa6f9

rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config,rdo-infra/ci-config,redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,redhat-openstack/rdo-infra