Add 0.9.0 to CHANGELOG

Ref. #1281

CHANGELOG.md

@@ -5,7 +5,7 @@ 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]
+## [0.9.0] - 2023-01-06
 
 ### Added
 
@@ -343,11 +343,12 @@ Improvements:
 
 ## [0.1.0] - 2019-05-14
 
-[unreleased]: https://github.com/Componolit/RecordFlux/compare/v0.8.0...HEAD
-[0.8.0]: https://github.com/Componolit/RecordFlux/compare/v0.8.0...v0.7.1
-[0.7.1]: https://github.com/Componolit/RecordFlux/compare/v0.7.1...v0.7.0
-[0.7.0]: https://github.com/Componolit/RecordFlux/compare/v0.7.0...v0.6.0
-[0.6.0]: https://github.com/Componolit/RecordFlux/compare/v0.6.0...v0.5.0
+[unreleased]: https://github.com/Componolit/RecordFlux/compare/v0.9.0...HEAD
+[0.9.0]: https://github.com/Componolit/RecordFlux/compare/v0.8.0...v0.9.0
+[0.8.0]: https://github.com/Componolit/RecordFlux/compare/v0.7.1...v0.8.0
+[0.7.1]: https://github.com/Componolit/RecordFlux/compare/v0.7.0...v0.7.1
+[0.7.0]: https://github.com/Componolit/RecordFlux/compare/v0.6.0...v0.7.0
+[0.6.0]: https://github.com/Componolit/RecordFlux/compare/v0.5.0...v0.6.0
 [0.5.0]: https://github.com/Componolit/RecordFlux/compare/v0.4.1...v0.5.0
 [0.4.1]: https://github.com/Componolit/RecordFlux/compare/v0.4.0...v0.4.1
 [0.4.0]: https://github.com/Componolit/RecordFlux/compare/v0.3.0...v0.4.0