MQE-2729: [PHP 8] Investigate and fix code related to changes in implode()

- add 'match' as reserved word to static tests

Author: okolesnyk

dev/tests/static/Magento/Sniffs/NamingConventions/ReservedWordsSniff.php

@@ -32,6 +32,7 @@ class ReservedWordsSniff implements Sniff
         'object' => '7',
         'mixed' => '7',
         'numeric' => '7',
+        'match' => '8',
     ];
 
     /**