Bump version to 1.2.2

CHANGELOG.md

@@ -5,11 +5,14 @@ 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/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+<!-- ## Unreleased -->
+
+## [1.2.2](https://github.com/unioslo/mreg-cli/releases/tag/1.2.2) - 2024-12-09
 
 ### Fixed
 
 - `dhcp assoc` and `host add` commands displaying unique constraint error instead of a proper error message when a MAC is already associated with an IP.
+- Validation errors causing the application to crash instead of displaying a proper error message.
 
 ## [1.2.1](https://github.com/unioslo/mreg-cli/releases/tag/1.2.1) - 2024-12-02