Deprecated notices on PHP 8

Hello, this is filling up our logs – do you have plans to update for PHP 8 compatibility?

[31-May-2023 00:46:57 UTC] PHP Deprecated:  Return type of SunriseIntegration\CampaignMonitor\AbstractObject::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /www/admin/wp-content/plugins/forms-for-campaign-monitor/forms/SunriseIntegration/CampaignMonitor/AbstractObject.php on line 69
[31-May-2023 00:46:57 UTC] PHP Deprecated:  Return type of SunriseIntegration\CampaignMonitor\AbstractObject::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /www/admin/wp-content/plugins/forms-for-campaign-monitor/forms/SunriseIntegration/CampaignMonitor/AbstractObject.php on line 94
[31-May-2023 00:46:57 UTC] PHP Deprecated:  Return type of SunriseIntegration\CampaignMonitor\AbstractObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /www/admin/wp-content/plugins/forms-for-campaign-monitor/forms/SunriseIntegration/CampaignMonitor/AbstractObject.php on line 118
[31-May-2023 00:46:57 UTC] PHP Deprecated:  Return type of SunriseIntegration\CampaignMonitor\AbstractObject::offsetSet($offset, $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 //www/admin/wp-content/plugins/forms-for-campaign-monitor/forms/SunriseIntegration/CampaignMonitor/AbstractObject.php on line 82