update release note for Gazelle Transformation Service to 2.3.0

Gazelle-Transformation-Service/release-note.md

 ---
 title: Release note
 subtitle: Gazelle Transformation Service
-toolversion: 2.2.1
-releasedate: 2024-10-18
-author: Anne-Gaëlle BERGE
+toolversion: 2.3.0
+releasedate: 2025-04-01
+author: Anne-Gaëlle BERGE, Alexandre POCINHO
 function: Software Engineer
 customer: IHE Europe
 reference: KER1-RNO-IHE-GAZELLE_TRANSFORMATION_SERVICE
 ---
+
+# 2.3.0
+_Release date: 2025-04-01_
+
+__Task__
+* \[[TRANSFOSRV-75](https://gazelle.ihe.net/jira/browse/TRANSFOSRV-75)\] Update Apache Daffodil to 3.1.0
+
 # 2.2.1
 _Release date: 2024-10-18_