Reorder changelog entries

Author: j9liu

CHANGES.md

@@ -4,16 +4,16 @@
 
 This is the last release of Cesium for Unreal that will support Unreal Engine v5.3. Future versions will require Unreal Engine v5.4+.
 
-##### Additions :tada:
-
-- Added support for Unreal Engine 5.6.
-- Added a C++ and Blueprint API for loading and accessing GeoJSON data.
-
 ##### Breaking Changes :mega:
 
 - Feature IDs that are encoded by `UCesiumFeaturesMetadataComponent` will now use a default null feature ID of `-1` instead of `0`.
 - Materials generated by `UCesiumFeaturesMetadataComponent` now always check for null feature IDs, assuming a default value of `-1`.
 
+##### Additions :tada:
+
+- Added support for Unreal Engine 5.6.
+- Added a C++ and Blueprint API for loading and accessing GeoJSON data.
+
 ### v2.16.1 - 2025-06-02
 
 ##### Additions :tada: