Assertion Manager release note added

Assertion-Manager/release-note.md

 ---
 title: Release note
 subtitle: Assertion Manager
-toolversion: 4.2.4
-releasedate: 2023-04-18
+toolversion: 4.2.5
+releasedate: 2023-10-19
 author: Anne-Gaëlle BERGE
 function: Software Engineer
 customer: IHE Europe
 reference: KER1-RNO-IHE-ASSERTION_MANAGER
 ---
+# 4.2.5
+_Release date: 2023-10-19_
+
+__Bug__
+* \[[AM-293](https://gazelle.ihe.net/jira/browse/AM-293)\] Editing Assertions lead to an error page when saving
+
 # 4.2.4
 _Release date: 2023-04-18_