Make Lookup/{Response,Producer} compatible to /nodes endpoint

src/Lookup/Producer.php

@@ -13,6 +13,8 @@ final class Producer
         public int $tcpPort,
         public int $httpPort,
         public string $version,
+        public array $tombstones,
+        public array $topics,
     ) {
     }
 
@@ -25,6 +27,8 @@ final class Producer
             $array['tcp_port'],
             $array['http_port'],
             $array['version'],
+            $array['tombstones'] ?? [],
+            $array['topics'] ?? [],
         );
     }
 }

src/Lookup/Response.php

@@ -27,7 +27,7 @@ final class Response
         }
 
         return new self(
-            $array['channels'],
+            $array['channels'] ?? [],
             array_map([Producer::class, 'fromArray'], $array['producers']),
         );
     }