LibJS: Convert ProxyConstructor functions to ThrowCompletionOr

Author: https://github.com/IdanHo
Commit: 7b5ccbc5ed
Pull-request: https://github.com/SerenityOS/serenity/pull/10675
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibJS/Runtime/ProxyConstructor.h

@@ -25,7 +25,7 @@ public:
 private:
     virtual bool has_constructor() const override { return true; }
 
-    JS_DECLARE_OLD_NATIVE_FUNCTION(revocable);
+    JS_DECLARE_NATIVE_FUNCTION(revocable);
 };
 
 }