Update release notes for 11.9

Author: spencertransier

WooCommerce/Resources/release_notes.txt

@@ -1,3 +1,3 @@
-- [**] Now you can generate all possible variations for a product's attributes [https://github.com/woocommerce/woocommerce-ios/pull/8619]
-- [*] Mobile payments: fixed card reader manuals links. [https://github.com/woocommerce/woocommerce-ios/pull/8628]
+We've made it so you can generate all possible variations for a product's attributes!
 
+For mobile payments, we fixed the card reader manual links so you can have the resources you need when using a card reader.