Merge pull request #3964 from terop/grafana/update_12_2_1

[grafana] Update Grafana to 12.2.1

Author: Sheikh-Abubaker

charts/grafana/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: grafana
-version: 10.1.2
-appVersion: 12.2.0
+version: 10.1.3
+appVersion: 12.2.1
 kubeVersion: "^1.8.0-0"
 description: The leading tool for querying and visualizing time series and metrics.
 home: https://grafana.com