update changelog

Author: tkostuch

CHANGELOG.md

@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - localForage memory overload fixed. `localForage.preserveCollections` keeps names of collections to be preserved from being cleared. - @prakowski
 - Fixed bug in `restoreQuantity` - getItem never returns cart item - @gibkigonzo (#4619)
 - Separate variant in findProductOption to get parent sku - @gibkigonzo (#4641)
+- Fix wrong value in Cache-Control header for max-age - boehsermoe (#4657)
 
 ### Changed / Improved