Update WWO readme with current integrations

Author: westonruter

plugins/web-worker-offloading/readme.txt

@@ -26,10 +26,10 @@ Unlike with the script loading strategies (async/defer), any inline before/after
 
 Otherwise, the plugin currently ships with built-in integrations to offload Google Analytics to a web worker for the following plugin:
 
+* [Rank Math SEO](https://wordpress.org/plugins/seo-by-rank-math/)
+* [Site Kit by Google](https://wordpress.org/plugins/google-site-kit/)
 * [WooCommerce](https://wordpress.org/plugins/woocommerce/)
 
-Support for [Site Kit by Google](https://wordpress.org/plugins/google-site-kit/) and [Rank Math SEO](https://wordpress.org/plugins/seo-by-rank-math/) are [planned](https://github.com/WordPress/performance/issues/1455).
-
 Please monitor your analytics once activating to ensure all the expected events are being logged. At the same time, monitor your INP scores to check for improvement.
 
 This plugin relies on the [Partytown 🎉](https://partytown.builder.io/) library by Builder.io, released under the MIT license. This library is in beta and there are quite a few [open bugs](https://github.com/BuilderIO/partytown/issues?q=is%3Aopen+is%3Aissue+label%3Abug).