Dealing with API validation due to ugui not being present by default in 2022.3 onwards

starting from 2022.3 ugui is not added to the project by default. We have some APIs that are conditional on ugui being present, so the API Validation thinks we are breaking API, but that is not the case.

Author: LeoUnity

Packages/com.unity.inputsystem/ValidationExceptions.json

@@ -1,4 +1,11 @@
 {
-    "ErrorExceptions": [],
+    "ErrorExceptions": [
+        {
+            "ValidationTest": "API Validation",
+            "ExceptionMessage": "Breaking changes require a new major version.",
+            "PackageVersion": "1.16.0",
+            "__comments": "starting from 2022.3 ugui is not added to the project by default. We have some APIs that are conditional on ugui being present, so the API Validation thinks we are breaking API, but that is not the case."
+        }
+    ],
     "WarningExceptions": []
 }