CommandCall: add default value for argument list

src/CliProgram/CommandCall/CommandCall.php

@@ -27,7 +27,7 @@ class CommandCall {
      * @param string|Command             $commandName      The new command name
      * @param null|Arrayy<string, mixed> $commandArguments The command new arguments
      */
-    public function __construct ($commandName, ?Arrayy $commandArguments) {
+    public function __construct ($commandName, ?Arrayy $commandArguments = null) {
         $this->setCommandName($commandName);
         $this->setCommandArguments($commandArguments ?? new Arrayy());
     }