Upgrade to MySQL v8.4

mysql/statefulset.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: mysql
-          image: mysql:8.0.4
+          image: mysql:8.4
           env:
             - name: MYSQL_ROOT_PASSWORD
               valueFrom:
@@ -26,11 +26,11 @@ spec:
           ports:
             - containerPort: 3306
           volumeMounts:
-            - name: mysql-data
+            - name: mysql-data-8-4
               mountPath: /var/lib/mysql
   volumeClaimTemplates:
     - metadata:
-        name: mysql-data
+        name: mysql-data-8-4
       spec:
         accessModes:
           - ReadWriteOnce