These policies seem to be often evolving lately in many projects, but I believe OpenBSD (the project OpenSSH is contained inside) is currently skeptical of AI generated code contributions at this point in time.

For example, I found this on a Google search, here is a thread from Theo, the project leader, about LLM output and copyright, where he says they can't accept it into the tree on copyright grounds. https://marc.info/?l=openbsd-tech&m=177425035627562&w=2

Elsewhere in the thread he implies using it for a code review tool is ok