Add WooCommerce Version row to 10.6 release notes

Author: joshheald

RELEASE-NOTES.txt

@@ -4,6 +4,7 @@
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 - [*] Fixed a rare crash when selecting a store in the store picker. [https://github.com/woocommerce/woocommerce-ios/pull/7765]
 - [*] Help center: Added help center web page with FAQs for "Not a WooCommerce site" error screen. [https://github.com/woocommerce/woocommerce-ios/pull/7767]
+- [*] Settings: Display the WooCommerce version and available updates in Settings [https://github.com/woocommerce/woocommerce-ios/pull/7779]
 
 10.5
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