update changelog (#14)

Author: carloskiki

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]
+# [0.6.0] - 2024-08-27
 
 ## Added
 
@@ -58,7 +58,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # [0.4.0] - 2024-08-01
 
-### Changed
+## Changed
 
 - Added a full error trace to the errors returned by the `Parser`.
 - Updated `fantoccini` from `0.19.0` to `0.21.0` in test suite.