PHP Errors (compatibility with PHP 8.X)

Hi!

First of all: great plugin! Now, for my query:

I was checking a site (I’m on PHP 8.1) where I’m using UCW and noticed these errors:

Deprecated: Return type of Carbon_Fields\Pimple\Container::offsetExists($id) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/jttgkft/public_html/wp-content/plugins/ultimate-coupon-for-woocommerce/vendor/htmlburger/carbon-fields/core/Pimple/Container.php on line 128

Deprecated: Return type of Carbon_Fields\Pimple\Container::offsetGet($id) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/jttgkft/public_html/wp-content/plugins/ultimate-coupon-for-woocommerce/vendor/htmlburger/carbon-fields/core/Pimple/Container.php on line 93

Deprecated: Return type of Carbon_Fields\Pimple\Container::offsetSet($id, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/jttgkft/public_html/wp-content/plugins/ultimate-coupon-for-woocommerce/vendor/htmlburger/carbon-fields/core/Pimple/Container.php on line 74

Deprecated: Return type of Carbon_Fields\Pimple\Container::offsetUnset($id) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/jttgkft/public_html/wp-content/plugins/ultimate-coupon-for-woocommerce/vendor/htmlburger/carbon-fields/core/Pimple/Container.php on line 138

Could you please check if it’s possible to update those?

Thanks!

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