WooCommerce Shipment Tracking 2.7.4

* Fix - Ensure API is loaded.
* Tweak - Bump tested WooCommerce version to 9.0 and minimum version to 8.8 (L-2 policy).

* Fix - Use local time when displaying the tracking date.

* Fix - Change Fan Courier Tracking URL.

* Fix - Allow custom tracking link to be empty.

* Fix - Custom tracking link not being formatted correctly.
* Fix - WordPress Coding Standards.

Add - Declared cart/checkout blocks compatibility.

Add - DHL eCommerce (US) tracking URL.

* Fix - `postcode` variable value for DPD Local Tracking URL.
* Fix - Replace Interlink with DPD Local.

* Fix - PHP 8.2 compatibility - creation of dynamic property is deprecated.
* Tweak - WC Subscriptions compatibility (replace deprecated hook wcs_renewal_order_meta_query for WCS 2.5.0+).

Fix - Incompatibility with "Kadence WooCommerce Email Designer" plugin.