Update CHANGELOG with missing changes

Author: CendioOssman

CHANGELOG.md

@@ -7,12 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+### Changed
+
+- Updated to 4.15.0
 - Rewrite to fix style issues, fix some tasks to be a bit more 'ansible-y'
 - Fixed file permissions warning
 - Made role compatible with 'new' ansible_facts[...] notation of facts
 - Made template correctly translate true/false to yes/no
-
-### Changed
+- Remove requirement to use groups in inventory
 
 ## [1.8] - 2022-02-07