Update changelog

Author: BSchilperoort

CHANGELOG.md

@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/).
 
+## 0.4.2 (2025-09-15)
+
+New contributors:
+ - [@tdickinson29](https://github.com/tdickinson29)
+
+Fixed:
+ - When validating input with a source dataset, use the passed `time_dim` argument ([#62](https://github.com/xarray-contrib/xarray-regrid/pull/62)).
+
 ## 0.4.1 (2025-04-08)
 
 Fixed: