WooCommerce Smart Coupons 9.18.0

* Fix: Email showing incorrect remaining balance if store credit is applied to a virtual-downloadable order
* Fix: PayPal Payments plugin sometimes rejecting applied store credit amount
* Developer: Filter Hook 'wc_sc_check_parent_attributes' for deciding whether to check attributes mentioned under 'Product data > Attributes (tab)' or not
* Update: Store credit not applying discount when applied via REST API during order creation
* Update: Product's attributes mentioned under 'Product data > Attributes (tab)' are not considered by coupon's Product attributes restrictions for validation of the coupon
* Update: POT file

* New: Tested up to WooCommerce 6.3.1 & WordPress 5.9.2
* New: Feature 'Usage restriction based on product quantity'
* Update: POT file

* Developer: New filter hook 'wc_sc_pending_order_statuses'
* Developer: Removed filter hook 'wc_sc_order_statuses_to_restore_smart_coupon_amount', should use 'wc_sc_pending_order_statuses' instead
* Update: Links to documentation, screenshots & reviews
* Update: Data type for $no_of_coupons_to_generate
* Update: POT file