Add Changelog

Author: mukeshpanchal27

plugins/auto-sizes/readme.txt

@@ -52,6 +52,17 @@ Contributions are always welcome! Learn more about how to get involved in the [C
 
 == Changelog ==
 
+= 1.5.0 =
+
+**Features**
+
+* Add E2E tests setup for Auto Sizes. ([1988](https://github.com/WordPress/performance/pull/1988))
+
+**Enhancements**
+
+* Accurate sizes: Add ancestor block context for image and cover block that help in sizes calculate. ([1795](https://github.com/WordPress/performance/pull/1795))
+* Accurate sizes: Calculate sizes base on ancestor block context. ([1818](https://github.com/WordPress/performance/pull/1818))
+
 = 1.4.0 =
 
 **Features**