Update Changelog

Author: stefanzweifel

CHANGELOG.md

@@ -6,7 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v2.5.0...HEAD)
 
-> TBD
+### Removed
+- Remove the need of a GITHUB_TOKEN. Users now have to use `actions/checkout@v2` or higher [#36](https://github.com/stefanzweifel/git-auto-commit-action/pull/36)
+
 
 ## [v2.5.0](https://github.com/stefanzweifel/git-auto-commit-action/compare/v2.4.0...v2.5.0) - 2019-12-18