osd: fix ceph_release
osd: fix ceph_release

We need ceph_release in the condition, not ceph_stable_release

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1619255
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>
(cherry picked from commit 8c70a5b1975c31992cdfa0a46a04bd9afbc1a806)

fgal/ceph-ansible,fgal/ceph-ansible