Changelog update

CHANGELOG.md

@@ -4,12 +4,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [unreleased]
+## [0.12.4] - 2024-01-07
+
+### Changed
+
+- [Breaking] Upgraded to graphql-java v21.3
 
 ### Added
 
 - [Breaking] Jakarta annotations and validation groups support [#472](https://github.com/leangen/graphql-spqr/pull/472)
 
+### Fixed
+
+- JacksonValueMapper ignores annotations on private fields [#469](https://github.com/leangen/graphql-spqr/issues/469)
+
 ## [0.12.3] - 2023-06-18
 
 ### Added