docs(home): Set release date

Author: epage

crates/home/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).
 
-## 0.5.9
+## 0.5.9 - 2023-12-15
 
 - Replace SHGetFolderPathW with SHGetKnownFolderPath
   [#13173](https://github.com/rust-lang/cargo/pull/13173)