Changed the project structure.

app/application/app/Captcha/Images/ImageManager.php

@@ -0,0 +1,18 @@
+<?php declare(strict_types=1);
+
+namespace App\Captcha\Images;
+
+use App\Captcha\Contracts\Image;
+use App\Captcha\Contracts\ImageManager as ImageManagerContract;
+
+final class ImageManager implements ImageManagerContract
+{
+    public function __construct(
+        private readonly string $imageClassName
+    ) { }
+    public function createImage(int $width, int $height): Image
+    {
+        return new $this->imageClassName($width, $height);
+    }
+
+}