fix: conflict when merging timeout param (#562)

Closes #561

Author: JMLamodiere

src/Elasticsearch/Connections/Connection.php

@@ -160,7 +160,7 @@ public function performRequest($method, $uri, $params = null, $body = null, $opt
             ], $this->headers)
         ];
 
-        $request = array_merge_recursive($request, $this->connectionParams, $options);
+        $request = array_replace_recursive($request, $this->connectionParams, $options);
 
         // RingPHP does not like if client is empty
         if (empty($request['client'])) {