tests: update nfs-ganesha to V3.3-stable
tests: update nfs-ganesha to V3.3-stable

not really needed in master, commit intended to be backported in octopus
branch.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

ceph/ceph-ansible,ceph/ceph-ansible