DOC: update CHANGELOG

CHANGELOG.md

@@ -5,9 +5,8 @@ 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, upcomming 7.0.0] ##
-
-### Added ###
+## [7.0.0] - 2023-10-25 ##
+(Timm Fitschen)
 
 ### Changed ###
 
@@ -28,8 +27,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * MySQL Support. Last version which is known to work well with LinkAhead is MySQL 5.7.36
 
-### Removed ###
-
 ### Fixed ###
 
 * Unknown Server Error when inserting an Entity.
@@ -37,8 +34,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Fix broken `initEntity` procedure (and change the first parameters type from
   INT UNSIGNED to VARCHAR(255) which is non-breaking).
 
-### Security ###
-
 ## [6.0.1 2023-10-18] ##
 
 ### Fixed ###