chore(deps): update helm release mariadb to v11.1.6

Chart.yaml

@@ -5,11 +5,11 @@ description: WordPress with a replicated MariaDB backend
 name: wordpress
 # Please only change the chart version as part of the release procedure: see
 # RELEASING.md
-version: 0.7.5
+version: 0.7.6
 icon: https://make.wordpress.org/design/files/2016/09/WordPress-logotype-wmark.png
 dependencies:
   - name: mariadb
-    version: 11.1.4
+    version: 11.1.6
     repository: "https://charts.bitnami.com/bitnami"
     tags:
       - mysql