updated changelog

Author: PawFV

CHANGELOG.md

@@ -49,7 +49,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Using dayjs for dates in taxCalc.ts to make it work properly in Safari (#5364)
 - Awaiting addItem action call inside mergeServerItem action (#5165)
 - Moved `phoneNum` to proper branch - @lukaszjedrasik ([#5730](https://github.com/vuestorefront/vue-storefront/issues/5730))
-
+- Development hot-reload speed webpack config - ([#5559](https://github.com/vuestorefront/vue-storefront/issues/5559))
 ## [1.12.2] - 2020.07.28
 
 ### Added