Xring

Hi, it seems that it can no longer read the activity data. Could it be incompatibility with php8?

Hi Adrian, see in attach. [garmin_activity.zip](https://github.com/adriangibbons/php-fit-file-analysis/files/4995030/garmin_activity.zip)

Maybe, for Laravel: https://github.com/PHPOffice/PhpSpreadsheet/issues/217#issuecomment-451972678