[#3449642] Ignore MissingTrailingComma for D9 compat branch.
A trailing comma on a function is a php fatal error in PHP 7.4 which is what runs D9 tests: Drupal: 9.5.11 PHP 7.4.28
A trailing comma on a function is a php fatal error in PHP 7.4 which is what runs D9 tests: Drupal: 9.5.11 PHP 7.4.28