Update CHANGELOG for v2.4.1

Author: razor-x

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](https://semver.org/).
 
+## [2.4.1] / 2018-09-23
+
+### Fixed
+
+- Invalid npm token on Travis.
+
 ## [2.4.0] / 2018-09-23
 
 ### Changed
@@ -100,7 +106,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 - Initial release.
 
-[Unreleased]: https://github.com/rxrc/systemd-user-units/compare/v2.3.0...HEAD
+[Unreleased]: https://github.com/rxrc/systemd-user-units/compare/v2.4.1...HEAD
+[2.4.1]: https://github.com/rxrc/systemd-user-units/compare/v2.4.0...v2.4.1
+[2.4.0]: https://github.com/rxrc/systemd-user-units/compare/v2.3.0...v2.4.0
 [2.3.0]: https://github.com/rxrc/systemd-user-units/compare/v2.2.1...v2.3.0
 [2.2.1]: https://github.com/rxrc/systemd-user-units/compare/v2.2.0...v2.2.1
 [2.2.0]: https://github.com/rxrc/systemd-user-units/compare/v2.1.0...v2.2.0