WooCommerce Product Add-Ons 7.2.0

* Fix - Fixed an issue that prevented importing add-ons to new global add-on groups.

* New - Introduced Date Picker add-on type.
* New - Introduced 'Add placeholder' option for text add-ons.

2024-03-05 - version 6.7.0
* Important: New - Product Add-Ons now requires Product Bundles 7.0+.
* Important: New - Product Add-Ons now requiresComposite Products 9.0+.
* Tweak - Reveal add-on subtotals only when an add-on has been selected in products with only optional add-ons.
* Fix - Resolved a PHP error that can occur when multiple choice add-on's value is empty
* Fix - Resolved a PHP error that can occasionally occur when using WooPayments