WooCommerce Smart Coupons 9.18.0

* Fix: Incorrect discount calculation when cart is having Product Bundles & max discount is set in the coupon
* Update: POT file

* Fix: Auto apply coupons once removed automatically, not reapplying again even if it’s valid
* Update: POT file

* New: Tested up to WooCommerce 5.8.0
* Fix: Ignoring user role restrictions when the product is getting added to cart from frontend via AJAX
* Fix: Discount coupon getting visible on all variations of a product even though the coupon is associated with a single variation
* Fix: The amount field in 'Purchase credit of any amount' is not showing when set up using Elementor or Astra theme
* Fix: Uncaught ArgumentCountError: Too few arguments to function WC_Smart_Coupons::is_smart_coupon_valid(), 2 passed and exactly 3 expected [WooCommerce 3.1.2 or lower]
* Update: Spellcheck 'Woocommerce'
* Update: POT file