Add separate section for 8.8.1 changelog entries (#46550)

plugins/woocommerce/readme.txt

@@ -165,11 +165,16 @@ WooCommerce comes with some sample data you can use to see how products look; im
 
 == Changelog ==
 
-= 8.8.0 2024-04-10 =
+= 8.8.1 2024-04-15 =
 
 **WooCommerce**
 
 * Fix - Fix wrong Shop title shown in classic themes after deleting the page [#46429](https://github.com/woocommerce/woocommerce/pull/46429)
+
+= 8.8.0 2024-04-10 =
+
+**WooCommerce**
+
 * Fix - Deprecate the $check_key_exists parameter from AssetDataRegistry and disallow duplicate data for all cases. [#46139](https://github.com/woocommerce/woocommerce/pull/46139)
 * Fix - Fixed an issue where orders could be placed when no shipping options were available [#46026](https://github.com/woocommerce/woocommerce/pull/46026)
 * Fix - Fix a bug where saved payment methods were not rendered correctly in the heckout block [#46019](https://github.com/woocommerce/woocommerce/pull/46019)