take into account the number of scenarii

Author: Baptouuuu

blackbox.php

@@ -10,6 +10,10 @@
 };
 
 Application::new($argv)
+    ->when(
+        \getenv('BLACKBOX_SET_SIZE') !== false,
+        static fn(Application $app) => $app->scenariiPerProof((int) \getenv('BLACKBOX_SET_SIZE')),
+    )
     ->when(
         \getenv('ENABLE_COVERAGE') !== false,
         static fn(Application $app) => $app