In pxc-operator version 5.7, innodb_undo_tablespaces was set to 0 when creating an instance, and now needs to be adjusted to 3. How can this be done? Directly modifying the configuration prevents the instance from starting normally

[wxc]

In pxc-operator version 5.7, innodb_undo_tablespaces was set to 0 when creating an instance, and now needs to be adjusted to 3. How can this be done? Directly modifying the configuration prevents the instance from starting normally.