Update CHANGELOG

Author: agnetemoos

CHANGELOG.md

@@ -3,11 +3,11 @@
 All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
-
-- [#260](https://github.com/os2display/display-api-service/pull/260)
-  - Changed how exceptions are handled in InstantBook.
 - [#313](https://github.com/os2display/display-api-service/pull/313)
   - Add BRND booking feed type
+- [#260](https://github.com/os2display/display-api-service/pull/260)
+  - Changed how exceptions are handled in InstantBook.
+
 
 ## [2.5.1] - 2025-06-23