fix: Parse headers in reverse order to match with last header avoiding matches on HTTP 301 redirect headers which are listed first

Author: DannyvdSluijs

src/JsonSchema/Uri/Retrievers/FileGetContents.php

@@ -68,7 +68,7 @@ public function retrieve($uri)
      */
     private function fetchContentType(array $headers)
     {
-        foreach ($headers as $header) {
+        foreach (array_reverse($headers) as $header) {
             if ($this->contentType = self::getContentTypeMatchInHeader($header)) {
                 return true;
             }