chore: improves type coverage

src/Bootstrappers/BootExceptionHandler.php

@@ -5,16 +5,17 @@ declare(strict_types=1);
 namespace Pest\Bootstrappers;
 
 use NunoMaduro\Collision;
+use Pest\Contracts\Bootstrapper;
 
 /**
  * @internal
  */
-final class BootExceptionHandler
+final class BootExceptionHandler implements Bootstrapper
 {
     /**
      * Boots the Exception Handler.
      */
-    public function __invoke(): void
+    public function boot(): void
     {
         $handler = new Collision\Provider();