Annual plans created after July, 2nd 2022 are not auto-renewed by default. When your account expires, you'll have to renew it manually.
Annual plans created before July, 2nd 2022 are auto-renewed by default. If you want to disable automatic renewal, you can do that at any time, by going to the "Settings" page and clicking on "Cancel Your Subscription". Your account will remain active until the current subscription expires.