Update CHANGELOG

Author: puetzp

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).
 
-## [0.6.4] - 2023-01-26
+## [0.6.4] - 2023-01-27
 ### Added
 - Added several feature flags pertaining to the client TLS configuration that match the feature flags of `reqwest` by the same name.