changelog.md for release v0.5.4

Author: abhay-nutanix

CHANGELOG.md

@@ -4,6 +4,10 @@ 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).
 
+## [v0.5.4]
+### Fixed
+- Bugfix: Add defensive validation in v3 and v4 cache GetOrCreate to prevent panics when ManagementEndpoint has nil Address or empty required fields
+
 ## [v0.5.3]
 ### Added
 - Added support for authenticating using API key based authentication.