Add changelog

Author: nerrad

readme.txt

@@ -85,6 +85,18 @@ Release and roadmap notes available on the [WooCommerce Developers Blog](https:/
 
 == Changelog ==
 
+= 5.1.0 - 2021-05-10 =
+
+#### Enhancements
+
+- Improve error message displayed when a payment method didn't have all its dependencies registered. ([4176](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/4176))
+- Improvements to `emitEventWithAbort`. ([4158](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/4158))
+
+#### Bug Fixes
+
+- Fix issue in which email and phone fields are cleared when using a separate billing address. ([4162](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/4162))
+
+
 = 5.0.0 - 2021-04-28 =
 
 #### Enhancements