update version number in changelog

Author: Mayisha

changelog.txt

@@ -1,10 +1,12 @@
 *** WooCommerce Subscriptions Core Changelog ***
 
+= 7.4.1 - 2024-xx-xx =
+* Fix - Add a year to the next renewal date billing interval is 12 months or more for a synced subscription.
+
 = 7.4.0 - 2024-08-16 =
 * Dev - Introduce new parameter to WC_Subscription::get_last_order() to enable filtering out orders with specific statuses.
 * Update - Schedule subscription-related events with a priority of 1 to allow for earlier execution within the Action Scheduler.
 * Fix - Ensure admin notices are displayed after performing bulk actions on subscriptions when HPOS is enabled.
-* Fix - Add a year to the next renewal date billing interval is 12 months or more for a synced subscription.
 
 = 7.3.0 - 2024-07-16 =
 * Fix - Label improvements on subscription and order page templates.