Add 0.19.0 to CHANGELOG

Ref. eng/recordflux/RecordFlux#1538

CHANGELOG.md

@@ -5,11 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.19.0] - 2024-02-29
 
 ### Added
 
-- Prevent different casings for same entity (eng/recordflux/RecordFlux#563)
+- Prevent different casings for same entity (AdaCore/RecordFlux#563, eng/recordflux/RecordFlux#563)
 - Code optimizer that removes unnecessary checks in generated state machine code (eng/recordflux/RecordFlux#1525)
 
 ### Fixed
@@ -479,7 +479,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.0] - 2019-05-14
 
-[Unreleased]: https://github.com/AdaCore/RecordFlux/compare/v0.18.0...HEAD
+[0.19.0]: https://github.com/AdaCore/RecordFlux/compare/v0.18.0...v0.19.0
 [0.18.0]: https://github.com/AdaCore/RecordFlux/compare/v0.17.0...v0.18.0
 [0.17.0]: https://github.com/AdaCore/RecordFlux/compare/v0.16.0...v0.17.0
 [0.16.0]: https://github.com/AdaCore/RecordFlux/compare/v0.15.0...v0.16.0