Update CHANGELOG.md for 0.22.0

Manually because ...........

Signed-off-by: Rob Sewell <mrrobsewell@outlook.com>

Author: SQLDBAWithABeard

CHANGELOG.md

@@ -5,6 +5,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+### Changed
+### Fixed
+### Deprecated
+### Removed
+### Security
+
+## 0.22.0 - 20250609
+
 ### Added
 
 - Introduced new PowerShell functions for managing Fabric workspaces, recovery points, configurations, tenant settings, and workspace identities.