Merge pull request #66917 from rhcs-dashboard/upgrade-grafana-version

monitoring: upgrade grafana version to 12.3.1

Reviewed-by: Nizamudeen A <nia@redhat.com>

diff --cc src/python-common/ceph/cephadm/images.py
index 25f080428c9995de9fde94192db4d04d5246db20,b491e989141fcd71c64ad7d19f39b6d655fc7f6c..5874572cb30a93c8a3cab877992961385a4a57a2
--- 1/src/python-common/ceph/cephadm/images.py
--- 2/src/python-common/ceph/cephadm/images.py
+++ b/src/python-common/ceph/cephadm/images.py
@@@ -36,10 -36,10 +36,10 @@@ class DefaultImages(Enum)
      ALERTMANAGER = _create_image(
          'quay.io/prometheus/alertmanager:v0.28.1', 'alertmanager'
      )
-     GRAFANA = _create_image('quay.io/ceph/grafana:12.2.0', 'grafana')
+     GRAFANA = _create_image('quay.io/ceph/grafana:12.3.1', 'grafana')
      HAPROXY = _create_image('quay.io/ceph/haproxy:2.3', 'haproxy')
      KEEPALIVED = _create_image('quay.io/ceph/keepalived:2.2.4', 'keepalived')
 -    NVMEOF = _create_image('quay.io/ceph/nvmeof:1.5', 'nvmeof')
 +    NVMEOF = _create_image('quay.io/ceph/nvmeof:1.6', 'nvmeof')
      SNMP_GATEWAY = _create_image(
          'docker.io/maxwo/snmp-notifier:v1.2.1', 'snmp_gateway'
      )