REL: Update CHANGELOG for v0.9.0

CHANGELOG.md

@@ -5,24 +5,12 @@ 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]
+## [0.9.0] - 2023-01-19
 
 ### Added
 
 * SELECT query support for the GRPC API
 
-### Changed
-
-### Deprecated
-
-### Removed
-
-### Fixed
-
-### Security
-
-### Documentation
-
 ## [0.8.1] - 2022-11-07
 (Timm Fitschen)