update changelog with a linked case

Author: K-Tone

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -29,6 +29,7 @@ however, it has to be formatted properly to pass verification tests.
 - Fixed reenabling the VirtualMouseInput component may sometimes lead to NullReferenceException. [ISXB-1096](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1096)
 - Fixed the default button press point not being respected in Editor (as well as some other Touchscreen properties). [ISXB-1152](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1152)
 - Fixed actions being reset when disabling the InputSystemUIInputModule component [ISXB-1493](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1493)
+- Fixed a memory leak when disabling and enabling the InputSystemUIInputModule component at runtime [ISXB-1573](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1573)
 - Fixed PlayerInput component automatically switching away from the default ActionMap set to 'None'.
 - Fixed a console error being shown when targeting visionOS builds in 2022.3.
 - Fixed a Tap Interaction issue with analog controls. The Tap interaction would keep re-starting after timeout. [ISXB-627](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-627)