chore: update changelog for version 0.3.0

Author: mlakov

CHANGELOG.md

@@ -7,6 +7,9 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [unreleased]
 
+## [[0.3.0](https://github.com/mlakov/ord-maven/releases/tag/v0.3.0)] - 2026-03-12
+
+
 ## [[0.2.0](https://github.com/mlakov/ord-maven/releases/tag/v0.2.0)] - 2026-03-12