In the context of “upping the ante”, it’s been used since at least 1870: https://nosweatshakespeare.com/quotes/famous/up-the-ante/
I’m guessing that people took the phrase “ante up” and switched it around.
EDIT: I did check the source out a bit and they seem to be legitimate, not just LLM slop. They could still be wrong, but they do at least cite sources.
What do you mean? His hair is glorious, especially for someone who is 66 years old.