Update CHANGELOG.md

Author: tuj

CHANGELOG.md

@@ -6,6 +6,10 @@ nav_order: 5
 
 # Changelog
 
+## 2025-03-10
+
+* Released templates `2.2.0`. See [changelog](https://github.com/os2display/display-templates/blob/develop/CHANGELOG.md#220---2025-3-10).
+
 ## 2025-01-14
 
 * Released api `2.1.4`. See [changelog](https://github.com/os2display/display-api-service/blob/develop/CHANGELOG.md#214---2025-01-14).