Syntax error in SamlauthRoleMappingForm.php on line 45

Problem/Motivation

When runnning "drush cache-rebuild", the following error message is shown:
PHP Parse error: syntax error, unexpected ')' in web/modules/contrib/samlauth/modules/samlauth_user_roles/src/Form/SamlauthRoleMappingForm.php on line 45

The first installation of this module was in version 3.5, on a Drupal running in version 9.3.12 and PHP 7.4.
In version 3.6, the syntax error still exists.

Steps to reproduce

1. Install samlauth on Drupal 9.3.* with PHP 7.4 (may be the PHP version or it's configuration is the problem)
2. Run drush cache-rebuild

Proposed resolution

Remove the comma at the end of line 45. It is the last parameter for the constructor and no comma is required at this position.