fix(helm): update chart mariadb-galera to 9.1.1

[renovate]

This PR contains the following updates:

Package	Update	Change
mariadb-galera (source)	patch	9.1.0 -> 9.1.1

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[github-actions]

Path: cluster/apps/galera/helmrelease.yaml
Version: 9.1.0 -> 9.1.1

@@ -11,9 +11,9 @@
     app.kubernetes.io/name: mariadb-galera
 type: Opaque
 data:
-  mariadb-root-password: "UlRUQkFyeXk2Zw=="
-  mariadb-password: "QUMxcWJOUTcxWg=="
-  mariadb-galera-mariabackup-password: "Z0hkSTNPZFI1cw=="
+  mariadb-root-password: "OUZjSVlIVktZeQ=="
+  mariadb-password: "NTd5SHlGbDZqUw=="
+  mariadb-galera-mariabackup-password: "OFl1aW41OFcwYQ=="
 ---
 # Source: mariadb-galera/templates/configmap.yaml
 apiVersion: v1
@@ -200,7 +200,7 @@
   template:
     metadata:
       annotations:
-        checksum/config: 880fdc175f84753f35b26e13ca1f230925268cf5f177493b5788485f025d8943
+        checksum/config: fe5e6af83774e364ec5df7c3f38696f511699224e5caa40e43e87d440277826c
       labels:
         app.kubernetes.io/instance: mariadb-galera
         app.kubernetes.io/managed-by: Helm