Update grafana version to 9.2.10

This PS is just to update grafana to 9.2.10.

Change-Id: I4958ef802653d9523bfdcdff0a709042794dba8c

grafana/Chart.yaml

@@ -12,10 +12,10 @@
 
 ---
 apiVersion: v1
-appVersion: v8.5.10
+appVersion: v9.2.10
 description: OpenStack-Helm Grafana
 name: grafana
-version: 0.1.18
+version: 0.1.19
 home: https://grafana.com/
 sources:
   - https://github.com/grafana/grafana

grafana/values.yaml

@@ -17,7 +17,7 @@
 ---
 images:
   tags:
-    grafana: docker.io/grafana/grafana:8.5.10
+    grafana: docker.io/grafana/grafana:9.2.10
     mariadb: docker.io/openstackhelm/mariadb:latest-ubuntu_focal
     dep_check: quay.io/airshipit/kubernetes-entrypoint:v1.0.0
     db_init: docker.io/openstackhelm/heat:stein-ubuntu_bionic

releasenotes/notes/grafana.yaml

@@ -19,4 +19,5 @@ grafana:
   - 0.1.16 Grafana 8.5.10 with unified alerting
   - 0.1.17 Fix uid for the user grafana
   - 0.1.18 Migrator job is now mariadb-fail-proof
+  - 0.1.19 Update grafana to 9.2.10
 ...