Add link to release post

Author: nerrad

readme.txt

@@ -127,6 +127,8 @@ The Cart and Checkout blocks are released in this version for wider review and t
 
 Also, note that we are aware of the increased file size for the All Products and Filter blocks frontend JavaScript. It is from some dependency changes. We will be addressing this in the next release.
 
+You can read [more about the release here](https://woocommerce.wordpress.com/?p=6577)
+
 - bug: Add placeholder to the on-sale products block when no results are found. [#1519](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/1519)
 - bug: Added correct ellipsis character in Product Search block [#1672](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/1672)
 - bug: If product is changed for featured product block, update the link in the button. [#1894](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/1894)