Use xxh128 instead of md5

Author: fancyweb

Transliterator/EmojiTransliterator.php

@@ -110,7 +110,7 @@ public function transliterate(string $string, int $start = 0, int $end = -1): st
             static $cookie;
             static $transliterator;
 
-            $cookie ??= md5(random_bytes(8));
+            $cookie ??= hash('xxh128', random_bytes(8));
             $this->transliterator ??= clone $transliterator ??= \Transliterator::createFromRules('[:any:]* > '.$cookie);
 
             if (false === $result = $this->transliterator->transliterate($string, $start, $end)) {