[stable/mariadb] Use proper env. variable on slaves for Master port number (#7897)

Signed-off-by: juan131 <juan@bitnami.com>

stable/mariadb/Chart.yaml

@@ -1,5 +1,5 @@
 name: mariadb
-version: 5.0.1
+version: 5.0.2
 appVersion: 10.1.36
 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:

stable/mariadb/templates/slave-statefulset.yaml

@@ -97,7 +97,7 @@ spec:
           value: "slave"
         - name: MARIADB_MASTER_HOST
           value: {{ template "mariadb.fullname" . }}
-        - name: MARIADB_MASTER_PORT
+        - name: MARIADB_MASTER_PORT_NUMBER
           value: "3306"
         - name: MARIADB_MASTER_ROOT_USER
           value: "root"