Updated mysqld-exporter image

Updated mysqld-exporter image version to v0.12.1.

Change-Id: I2add0a7fa668a59fafdcd939c5830f7d78094bdc

mariadb/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v10.2.31
 description: OpenStack-Helm MariaDB
 name: mariadb
-version: 0.1.13
+version: 0.1.14
 home: https://mariadb.com/kb/en/
 icon: http://badges.mariadb.org/mariadb-badge-180x60.png
 sources:

mariadb/values.yaml

@@ -24,7 +24,7 @@ images:
     ingress: k8s.gcr.io/ingress-nginx/controller:v0.42.0
     error_pages: k8s.gcr.io/defaultbackend:1.4
     prometheus_create_mysql_user: docker.io/mariadb:10.2.31
-    prometheus_mysql_exporter: docker.io/prom/mysqld-exporter:v0.11.0
+    prometheus_mysql_exporter: docker.io/prom/mysqld-exporter:v0.12.1
     prometheus_mysql_exporter_helm_tests: docker.io/openstackhelm/heat:newton-ubuntu_xenial
     dep_check: quay.io/airshipit/kubernetes-entrypoint:v1.0.0
     image_repo_sync: docker.io/docker:17.07.0

releasenotes/notes/mariadb.yaml

@@ -14,4 +14,5 @@ mariadb:
   - 0.1.11 Disable mariadb mysql history client logging
   - 0.1.12 Set strict permission on mariadb data dir
   - 0.1.13 Fix race condition for grastate.dat
+  - 0.1.14 Update mysqld-exporter image to v0.12.1
 ...