Prepare release v2.3.0

Author: jsor

CHANGELOG.md

@@ -4,6 +4,13 @@ Changelog
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org).
 
+2.3.0 - 2024-02-20
+------------------
+
+* Switch to platform options from deprecated custom schema options.
+  Thanks @sasa-b (#64).
+* Better compatibility with different Doctrine ORM versions.
+
 2.2.0 - 2023-04-26
 ------------------