Fix inconsistent argument label

This is the only of many overloads that does *not* remove the external argument label for one of its parameters. Looks like a copy/paste error.

Author: ole

Sources/JavaScriptKit/FundamentalObjects/JSFunction.swift

@@ -228,7 +228,7 @@ public extension JSFunction {
         new(arguments: [arg0.jsValue, arg1.jsValue, arg2.jsValue])
     }
 
-    func new(_ arg0: some ConvertibleToJSValue, _ arg1: some ConvertibleToJSValue, _ arg2: some ConvertibleToJSValue, arg3: some ConvertibleToJSValue) -> JSObject {
+    func new(_ arg0: some ConvertibleToJSValue, _ arg1: some ConvertibleToJSValue, _ arg2: some ConvertibleToJSValue, _ arg3: some ConvertibleToJSValue) -> JSObject {
         new(arguments: [arg0.jsValue, arg1.jsValue, arg2.jsValue, arg3.jsValue])
     }