Update mariadb Docker tag to v12

arcade-system/romm.yaml

@@ -388,7 +388,7 @@ spec:
     spec:
       containers:
         - name: mariadb
-          image: mariadb:11
+          image: mariadb:12
           env:
             - name: MARIADB_ROOT_PASSWORD
               valueFrom:

bookstack-system/bookstack.yaml

@@ -71,7 +71,7 @@ spec:
     spec:
       containers:
         - name: mariadb
-          image: mariadb:11
+          image: mariadb:12
           imagePullPolicy: IfNotPresent
           env:
             - name: MYSQL_ROOT_PASSWORD

nextcloud-system/nextcloud.yaml

@@ -395,7 +395,7 @@ spec:
     spec:
       containers:
         - name: nextcloud
-          image: docker.io/library/nextcloud:33.0.4-apache
+          image: docker.io/library/nextcloud:32.0.10-apache
           imagePullPolicy: IfNotPresent
           env:
             - name: SMTP_HOST