Skip 03i-matrix-multiplication on A770

[pbchekin]

It hangs and the job gets timed out after 12h.

[pbchekin]

Timed out run: https://github.com/intel/intel-xpu-backend-for-triton/actions/runs/15039968402
Run with 03i skipped: https://github.com/intel/intel-xpu-backend-for-triton/actions/runs/15055232909/job/42319502003

[whitneywhtsang]

looks like 09-persistent-matmul fail too, is that new?

[pbchekin]

looks like 09-persistent-matmul fail too, is that new?

It's not new, on a770 we run tests daily and ignore errors. We need to skip 03i because it hangs and workflow never finished and pass rate is not reported.