Merge branch 'main' into feature/mysql_group_replication

addons/mysql/templates/_helpers.tpl

@@ -127,6 +127,8 @@ systemAccounts:
   - name: kbreplicator
     statement: select 1;
     passwordGenerationPolicy: *defaultPasswordGenerationPolicy
+  - name: proxysql
+    statement: CREATE USER IF NOT EXISTS '${KB_ACCOUNT_NAME}' IDENTIFIED BY '${KB_ACCOUNT_PASSWORD}'; GRANT SELECT ON performance_schema.* TO '${KB_ACCOUNT_NAME}'; GRANT SELECT ON sys.* TO '${KB_ACCOUNT_NAME}';
 vars:
   - name: CLUSTER_NAME
     valueFrom: