[mariadb] Add heritage label to pods in statefulset template (#3720)

This change adds heritage label to pods in both statefulset templates.
This way the labels in the pods are consistent with the other k8s
resources.

bitnami/mariadb/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: mariadb
-version: 7.10.1
+version: 7.10.2
 appVersion: 10.3.24
 description: Fast, reliable, scalable, and easy to use open-source relational database system. MariaDB Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software. Highly available MariaDB cluster.
 keywords:

bitnami/mariadb/templates/master-statefulset.yaml

@@ -32,6 +32,7 @@ spec:
         app: {{ template "mariadb.name" . }}
         chart: {{ template "mariadb.chart" . }}
         release: {{ .Release.Name }}
+        heritage: {{ .Release.Service }}
         component: master
         {{- include "mariadb.podLabels" . | nindent 8 }}
     spec:

bitnami/mariadb/templates/slave-statefulset.yaml

@@ -33,6 +33,7 @@ spec:
         app: {{ template "mariadb.name" . }}
         chart: {{ template "mariadb.chart" . }}
         release: {{ .Release.Name }}
+        heritage: {{ .Release.Service }}
         component: slave
         {{- include "mariadb.podLabels" . | nindent 8 }}
     spec: