[KT-67559] Bumped the Xcode version to 15.3 in tested Xcode diagnostic
diff --git a/native/utils/src/org/jetbrains/kotlin/konan/target/Xcode.kt b/native/utils/src/org/jetbrains/kotlin/konan/target/Xcode.kt
index 0a5ab82..9e78e83 100644
--- a/native/utils/src/org/jetbrains/kotlin/konan/target/Xcode.kt
+++ b/native/utils/src/org/jetbrains/kotlin/konan/target/Xcode.kt
@@ -42,7 +42,7 @@
             )
         }
 
-        val maxTested = XcodeVersion(15, 1)
+        val maxTested = XcodeVersion(15, 3)
     }
 }