Update mysql Docker tag to v8.4

arcade-system/romm.yaml

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

bookstack-system/bookstack.yaml

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

plantit-system/plantit.yaml

@@ -43,7 +43,7 @@ spec:
     spec:
       containers:
         - name: mysql
-          image: mysql:8.0
+          image: mysql:8.4
           env:
             - name: MYSQL_ROOT_PASSWORD
               valueFrom: