CI: implement check if any report has total of 0 tests

[kwasd]

Describe the bug

Need to catch cases like #5507: https://github.com/intel/intel-xpu-backend-for-triton/actions/runs/19453633435/job/55666542936#step:8:45

Environment details

CI

[vlad-penkin]

@kwasd let's do this after we will add triton_utils package (set of utilities to handle and analyze test reports), which should make the check out of the box.