CHANGELOG.md: add changes

Author: alanorth

CHANGELOG.md

@@ -5,6 +5,9 @@ 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/spec/v2.0.0.html).
 
 ## Unreleased
+### Updated
+- Update dspace-api dependency to 7.6.2
+- Update gson dependency to >= 2.10 to match dspace-api
 
 ## [7.6.1.3] - 2024-06-26
 ### Updated