Update CHANGELOG.md

CHANGELOG.md

@@ -4,7 +4,7 @@ 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).
 
-## [v5.5.0] - 
+## [v5.5.0] - 2022-10-12
 ### Fixed
 - Minor registration improvements.
 
@@ -264,6 +264,7 @@ The validation was executed only at the expression tree building phase, so an al
 - Removed the legacy container extension functionality.
 - Removed the support of PCL v259.
 
+[v5.5.0]: https://github.com/z4kn4fein/stashbox/compare/5.4.3...5.5.0
 [v5.4.3]: https://github.com/z4kn4fein/stashbox/compare/5.4.2...5.4.3
 [v5.4.2]: https://github.com/z4kn4fein/stashbox/compare/5.4.1...5.4.2
 [v5.4.1]: https://github.com/z4kn4fein/stashbox/compare/5.4.0...5.4.1