Update CHANGELOG.md

Author: jfreire-unity

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -12,8 +12,7 @@ however, it has to be formatted properly to pass verification tests.
 
 ### Fixed
 - Fixed an issue where using Pen devices on Android tablets would result in double clicks for UI interactions. [ISXB-1456](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1456)
-
-
+- Fixed an issue preventing an embedded platform from being released. It adds back some `#defines` to `XRSupport` and `InputDeviceCharacteristics`.
 
 ## [1.14.1] - 2025-07-10