WooCommerce Smart Coupons 9.18.0

* New: WordPress 6.3.2 compatible
* New: WooCommerce 8.2.1 compatible
* Fix: PHP Warning: foreach() argument must be of type array|object, string given for $customer_emails
* Fix: Parent Coupons are not updating the Allowed emails
* Fix: When scheduling coupons via import, a blank email is sent with no coupons
* Fix: Actions tab product does not respect the discount on declined payments
* Fix: Linked Coupons label is breaking in product admin dashboard
* Fix: Active for x payments field shows for all discount types in 'Bulk generate' tab
* Tweak: Optimized a few queries
* Update: Updated translation file for French language, as it was causing 'Fatal error: Uncaught Error: 3 arguments are required, 2 given'
* Update: Correct a few file paths for inclusion
* Update: POT file

* New: Tested up to WooCommerce 8.1.1
* Fix: PHP Warning: mysqli_free_result(): Couldn't fetch mysqli_result
* Fix: Refund of store credit from order admin page is not working with all possible decimal point
* Tweak: Database query performance optimization
* Update: POT file

* New: Tested with PHP 8.0, 8.1 & 8.2
* New: Tested up to WooCommerce 8.1.0
* New: Tested up to WordPress 6.3.1
* Fix: PHP Fatal error: Uncaught TypeError: str_getcsv(): Argument #1 ($string) must be of type string, array given
* Fix: PHP Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class SA_WC_Compatibility_4_4 does not have a method 'save_shortcode_generated_coupon'
* Fix: PHP Fatal error: Uncaught TypeError: Unsupported operand types: string + string
* Fix: PHP Fatal error: Uncaught TypeError: Unsupported operand types: int + string
* Fix: PHP Warning: foreach() argument must be of type array|object, string given