Update CHANGELOG.md

Author: AB-xdev

CHANGELOG.md

@@ -1,5 +1,12 @@
 # 2.0.0
+_Minimum required Java version: 21_
 * Updated to Spring Boot 4.x
+  * Removed fork of `OidcUserService` to move closer to the standard implementation. Only fork the required `OidcUserRequestUtils#shouldRetrieveUserInfo`
+* Update Vaadin to 25
+  * Removed `TotalVaadinFlowWebSecurity` as it's no longer supported
+* Updated Jackson Databind to v3
+* Migrated demos and tests
+* Code cleanup
 
 # 1.5.3
 _Last expected version for Spring Boot 3.x_