Sadly this has been used for longer than you might expect. Using the term AI to describe the practice is fairly new, but computers have been selecting resumes for humans to look at for many years. They may have called it “screening” or using an “algorithm” -made more complex with the wide adoption of LLMs and other types of AI tools.

You can find stories of colleges and companies getting in trouble for unintentionally racist algorithms from, at least, a decade ago. That would indicate that they have been in use for longer than that, potentially since the early 00s.