✏️ update changelog

Author: DJ Steinmetz

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to the ordercloud-javascript-sdk will be documented in this
 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).
 
+## [4.5.4] - 2022-03-23
+### Added
+- SDK up to date with API v1.0.233
+
 ## [4.4.4] - 2022-03-09
 ### Added
 - SDK up to date with [API v1.0.231](https://ordercloud.io/release-notes/v1.0.231)