prepare 0.9.0 in changelog (#133)

Author: johannes-vogel

CHANGELOG.md

@@ -5,7 +5,7 @@ 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).
 
-## Version 0.9.0 - tbd
+## Version 0.9.0 - 2023-11-16
 
 ### Added
 
@@ -21,9 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Load custom `errorFormatter` relative to CDS project root
-- Fix internal server error when formatting errors that aren't CDS errors (thrown by CDS or in custom handlers) or instances of GraphQLError, such as the error caused by requests with undefined `query` property 
-
-### Removed
+- Fix internal server error when formatting errors that aren't CDS errors (thrown by CDS or in custom handlers) or instances of GraphQLError, such as the error caused by requests with undefined `query` property
 
 ## Version 0.8.0 - 2023-10-06