Update CHANGELOG.md

Author: tspiller

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -22,6 +22,7 @@ however, it has to be formatted properly to pass verification tests.
 - Fixed missing documentation for source generated Input Action Assets. This is now generated as part of the source code generation step when "Generate C# Class" is checked in the importer inspector settings.
 - Fixed pasting into an empty map list raising an exception. [ISXB-1150](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1150)
 - Fixed pasting bindings into empty Input Action asset. [ISXB-1180](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1180)
+- Fixed missing '&' symbol in Control Scheme dropdown on Windows platform. [ISXB-1109](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1109)
 
 ### Changed
 - Added back the InputManager to InputSystem project-wide asset migration code with performance improvement (ISX-2086).