Add package-install tag on ceph-grafana-dashboard pkg install.
Add package-install tag on ceph-grafana-dashboard pkg install.

According to the OSP pattern, we need the package-install tag
to control what is installed on the host. This commit just add
the missing tag to meet the TripleO requirements.

See: /issues/4197 for details

Fixes: #4197

Signed-off-by: fmount <e4471f5362e63527847b85ad100e4685bab084fa@redhat.com>

ceph/ceph-ansible,ceph/ceph-ansible