update release date

Author: vreuter

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/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [v0.5.0] - 2025-05-23
+## [v0.5.0] - 2025-06-17
 
 ### Added
 * Introduced a transparent `Distance` type alias for a `squants.space.Length` value refined to be nonnegative