WooCommerce Smart Coupons 9.33.0

* Fix: Store Credit with product category restrictions does not respect the 'Apply before tax' setting
* Fix: The applied store credit amount is also included under 'Coupons' on the order admin page
* Fix: Undefined array key 'no_of_coupons_to_generate'
* Fix: Not using WooCommerce's setting for decimal during the price calculations for a 100 percent discount
* Fix: Coupons are not re-validating, and cart totals are not updating when the billing email changes during checkout
* Update: Translations

* Fix: Query to fetch coupons failing when the customer's account email & billing email is same

* New: Added tools for specific plugin tasks
* Fix: Issue with importing coupons via CSV
* Update: Improved performance
* Update: Translations