[CI][Liger-Kernels] Liger kernel tests take >12hrs in CI

[Egor-Krivov]

Example https://github.com/intel/intel-xpu-backend-for-triton/actions/runs/18257307248/job/51980457984

Need to:

1. Understand why, is there specific tests that are slow?
2. Find a fix or workaround