Update CHANGELOG

CHANGELOG.md

@@ -5,10 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.13.0...HEAD)
+## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.13.1...HEAD)
 
 > TBD
 
+## [v4.13.1](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.13.0...v4.13.1) - 2022-01-13
+
+## Fixed
+
+- Properly disambiguate between branch or file checkout (#199) @kenodegard
+
 ## [v4.13.0](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.12.0...v4.13.0) - 2022-01-10
 
 ## Added