DEPRECATED error messages

Could these be looked at? Or is this plugin abandoned?

Thank you.

[03-Mar-2024 15:18:09 UTC] PHP Deprecated: Creation of dynamic property WC_Customer_Source::$plugin_url is deprecated in /home/xxx/domains/xxx.org/public_html/wp-content/plugins/wc-customer-source/wc-customer-source.php on line 87

[03-Mar-2024 15:18:09 UTC] PHP Deprecated: Creation of dynamic property WC_Customer_Source::$plugin_path is deprecated in /home/xxx/domains/xxx.org/public_html/wp-content/plugins/wc-customer-source/wc-customer-source.php on line 88