DOC: Update changelog for release

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/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased] ##
+## [0.8.0] - 2024-08-23 ##
 
 ### Added ###
 
@@ -32,8 +32,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Better handling of missing imports, with nice messages for users.
 * No longer use configuration of advancedtools to set to and from email addresses
 
-### Deprecated ###
-
 ### Removed ###
 
 * Support for Python 3.7