refactor: PHP 8 features

src/Plugins/Version.php

@@ -13,17 +13,13 @@ use Symfony\Component\Console\Output\OutputInterface;
  */
 final class Version implements HandlesArguments
 {
-    /**
-     * @var OutputInterface
-     */
-    private $output;
-
     /**
      * Creates a new instance of the plugin.
      */
-    public function __construct(OutputInterface $output)
-    {
-        $this->output = $output;
+    public function __construct(
+        private OutputInterface $output
+    ) {
+        // ..
     }
 
     public function handleArguments(array $arguments): array