Fix warnings related to OptIn/UseExperimental

core/descriptors/src/org/jetbrains/kotlin/resolve/constants/PrimitiveTypeUtil.kt

@@ -23,7 +23,7 @@ internal fun KotlinType.minValue(): Long {
     }
 }
 
-@ExperimentalUnsignedTypes
+@OptIn(ExperimentalUnsignedTypes::class)
 internal fun KotlinType.maxValue(): Long {
     return when {
         KotlinBuiltIns.isByte(this) -> Byte.MAX_VALUE.toLong()
@@ -63,4 +63,4 @@ internal val ModuleDescriptor.allUnsignedLiteralTypes: Collection<KotlinType>
         )
     } else {
         emptyList()
-    }
+    }