Update changelog for 1.3.0 release

CHANGELOG.md

@@ -3,8 +3,9 @@ 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/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+## [1.4.0 - Unreleased]
 
-## [1.3.0 - Unreleased]
+## [1.3.0]
 ### Added
 - Created CHANGELOG
 - Compatibility matrix
@@ -67,7 +68,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Initial Release
 
-[1.3.0 - Unreleased]: https://github.com/anexia-it/anexia-monitoring-django/
+[1.4.0 - Unreleased]: https://github.com/anexia-it/anexia-monitoring-django/
+[1.3.0]: https://pypi.org/project/django-anexia-monitoring/1.3.0/
 [1.2.0]: https://pypi.org/project/django-anexia-monitoring/1.2.0/
 [1.1.1]: https://pypi.org/project/django-anexia-monitoring/1.1.1/
 [1.1.0]: https://pypi.org/project/django-anexia-monitoring/1.1.0/