Merge pull request #637 from Shnatsel/cargo-cyclonedx-0.5.0

Set release date in the changelog

Author: Shnatsel

cargo-cyclonedx/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).
 
-## 0.5.0 - UNRELEASED
+## 0.5.0 - 2024-03-01
 
 ### Added