Fix link in changelog

Author: jonatanklosko

CHANGELOG.md

@@ -4,7 +4,7 @@ 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/).
 
-## [v0.3.0](https://github.com/elixir-lang/tree-sitter-elixir/tree/v0.2.0) (2024-09-05)
+## [v0.3.0](https://github.com/elixir-lang/tree-sitter-elixir/tree/v0.3.0) (2024-09-05)
 
 ### Changed