Update Changelog

Signed-off-by: Christian Wolf <github@christianwolf.email>

CHANGELOG.md

@@ -3,6 +3,8 @@
 ### Maintenance
 - Add PHP lint checker to ensure valid (legacy) PHP syntax
   [#1931](https://github.com/nextcloud/cookbook/pull/1931) @christianlupus
+- Add backport script to simplify development
+  [#1935](https://github.com/nextcloud/cookbook/pull/1935) @christianlupus
 
 
 ## 0.10.3 - 2023-12-04