Merge pull request #2 from Dziamid-Harbatsevich/dev

Update HealthCheckController.php

Author: Dziamid-Harbatsevich

src/Controllers/HealthCheckController.php

@@ -42,6 +42,6 @@ public function __invoke(Container $container)
             }
         }
 
-        return new Response($body, $isProblem ? config('healthcheck.default-problem-http-code') : 200);
+        return new Response($body, $isProblem ? config('healthcheck.default-problem-http-code', 500) : 200);
     }
 }