#31344 Update phpcpd to ^6.0.3 to be PHP8 compatible + change usage

Author: hws47a

composer.json

@@ -93,8 +93,9 @@
         "phpmd/phpmd": "^2.8.0",
         "phpstan/phpstan": "^0.12.77",
         "phpunit/phpunit": "^9",
-        "sebastian/phpcpd": "~5.0.0",
-        "squizlabs/php_codesniffer": "~3.5.4"
+        "sebastian/phpcpd": "^6.0.3",
+        "squizlabs/php_codesniffer": "~3.5.4",
+        "symfony/finder": "^5.2"
     },
     "suggest": {
         "ext-pcntl": "Need for run processes in parallel mode"