This PR is to fix deprecation messages on PHP 8.1:
PHP Deprecated: Return type of EmailChecker\ThrowawayDomains::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /data/src/EmailChecker/ThrowawayDomains.php on line 33
PHP Deprecated: Return type of EmailChecker\ThrowawayDomains::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /data/src/EmailChecker/ThrowawayDomains.php on line 38
This PR is to fix deprecation messages on PHP 8.1: