Replaced deprecated inline classes with JvmInline value classes in tests

compiler/testData/codegen/box/inlineClasses/functionExpression.kt

@@ -1,6 +1,9 @@
+// WITH_RUNTIME
+
 inline fun new(init: (Z) -> Unit): Z = Z(42)
 
-inline class Z(val value: Int)
+@JvmInline
+value class Z(val value: Int)
 
 fun box(): String =
     if (new(fun(z: Z) {}).value == 42) "OK" else "Fail"