License incompatibility issue

Issue report

Project is licensed under the Apache 2.0 license. In the file below a GPL V3 or later has been found in our compliance check. The header reads:

/**
 * moodle_sniffs_controlstructureblanklinesniff
 *
 * Checks that there is a blank line before control structures
 *
 * @copyright 2009 Nicolas Connault
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

URL or PR where issue occurs

stock-api-libphp/libs/phpcs-psr2-stock/PSR2Stock/Sniffs/ControlStructures/ControlStructureBlankLineSniff.php /

Brief description of issue

The GPL license is incompatible with the Apache license.

Proposed fix (if applicable)

Fix license issue.