chore: update changelog

Signed-off-by: Henry Gressmann <mail@henrygressmann.de>

Author: explodingcamera

CHANGELOG.md

@@ -5,7 +5,11 @@ 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]
+<!-- ## [Unreleased] -->
+
+## [0.8.0] - 2024-08-29
+
+**All Commits**: https://github.com/explodingcamera/tinywasm/compare/v0.7.0...v0.8.0
 
 ### Changed