chore: bump version number [skip ci]

Author: markuslf

CHANGELOG.md

@@ -5,11 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 
-[Unreleased]: https://github.com/Linuxfabrik/monitoring-plugins/compare/v1.2.0.11...HEAD
+[Unreleased]: https://github.com/Linuxfabrik/monitoring-plugins/compare/v2.0.0...HEAD
 
 
 ## [Unreleased]
 
+tbd
+
+
+## v2.0.0
+
 ### Breaking Changes ("!")
 
 Build, CI/CD: