Update CHANGES.md for release v2.2.0

Author: actions-user

CHANGES.md

@@ -9,6 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### New
 
+### Changed
+
+### Fixed
+
+## 2.2.0 - 2026-03-02
+### New
 - Add notification plugin support to mkp-builder (collects from `local/share/check_mk/notifications/`, creates `notifications.tar`)
 - Add Claude Code plugin with Checkmk 2.3.x plugin development skill (`skills/checkmk-plugin/`)
 - Install via `/install-plugin https://github.com/oposs/mkp-builder` in Claude Code
@@ -17,8 +23,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Move plugin development guide from `cmk-plugin-guide/` into `skills/checkmk-plugin/references/`
 - Update README with Claude Code plugin install instructions
 
-### Fixed
-
 ## 2.1.0 - 2025-11-19
 ### New
 - Add notification plugin support to mkp-builder (collects from `local/share/check_mk/notifications/`, creates `notifications.tar`)