docs(changelog): finalize 0.14.2 section

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01P4ijFsGW1MHEcGiu26vNzi

Author: dfa1

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to **vortex-java** are documented here.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.14.2] — 2026-09-13
 
 ### Fixed