the labels listed under the 'monitoring' section are currently only
being applied to the rook-ceph-mgr ServiceMonitor. This change extends
those labels to also include the rook-ceph-exporter ServiceMonitor.
Fixes: https://github.com/rook/rook/issues/13774
Signed-off-by: Redouane Kachach <rkachach@redhat.com>
(cherry picked from commit 10e26709c4)