WooCommerce Smart Coupons 9.33.0

* Developer: New hook 'wc_sc_credit_remaining' to allow 3rd party plugin to modify remaining credit before saving it [Thanks to: Diego Zanella | Aelia.co]
* Fix: Remove 'sticky' admin notice about import completion [Thanks to: Les Xue | WordPress VIP]
* Tweak: Code cleanup
* Update: Move displaying coupon message on 'updated_checkout' event instead of 'update_checkout' [Thanks to: Diego Zanella | Aelia.co]
* Update: Change location of files created by the plugin to a secure location
* Update: Specific error message for 'new user' coupons
* Update: POT file

* Fix: Expiry date is not being displayed in the coupon that is sent in the email
* Fix: Prevent the modification of the minimum & maximum amount during the purchase of credit of any amount from the browser
* Update: Additional arguments for filter 'wc_sc_is_auto_generate'
* Update: POT file

* New: Tested up to WooCommerce 5.0.0 & WordPress 5.6.2
* Fix: Expiry time is not being considered during coupon validation
* Fix: Generated store credit amount is not considering currency [Multi Currency for WooCommerce By VillaTheme]
* Fix: Sometimes the latest imported coupons are not getting activated if the code already exists
* Fix: Incorrect validation of the fields 'Product attributes' & 'Exclude attributes' under Coupon data > Usage restriction tab
* Fix: Validation based on product taxonomies not working if the taxonomy is related to the parent product
* Update: Use the date format of the website to display expiry date in the coupons
* Update: Added hook to control the number of attributes for field 'Product attributes' & 'Exclude attributes' under Coupon data > Usage restriction tab
* Update: Correction in a few PHPDocBlocks
* Update: POT file