Update release notes.

Author: jaclync

RELEASE-NOTES.txt

@@ -3,6 +3,7 @@
 8.4
 -----
 - [***] In-Person Payments: Support for Stripe M2 card reader. [https://github.com/woocommerce/woocommerce-ios/pull/5844]
+- [***] Store admins can now access sites with plugins that have Jetpack Connection Package (e.g. WooCommerce Payments, Jetpack Backup) in the app. These sites do not require Jetpack-the-plugin to connect anymore. Store admins can still install Jetpack-the-plugin from the app through settings or a Jetpack banner. [https://github.com/woocommerce/woocommerce-ios/pull/5924]
 - [*] Add/Edit Product screen: Fix transient product name while adding images.[https://github.com/woocommerce/woocommerce-ios/pull/5840]
 
 8.3