DOCS: Update changelog for release 0.16.0

CHANGELOG.md

@@ -4,24 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased] ##
+## [0.16.0] - 2025-06-02 ##
 
 ### Added ###
 
 - Button for XLSX export from query.
 
-### Changed ###
-
-### Deprecated ###
-
-### Removed ###
-
-### Fixed ###
-
-### Security ###
-
-### Documentation ###
-
 ## [0.15.2] - 2025-02-28 ##
 
 ### Fixed ###