VK has not been targeted with sanctions, despite what the article implies (though with scare quotes). VK's CEO is personally sanctioned due to being an "adult child of someone who had been a Russian government official" (source Reuters[0]), but VK the company is not sanctioned.
This is a shameful unilateral decision by Apple, let there be no ambiguity.
[0]: https://www.reuters.com/article/vk-results-idINL5N2V601G