Support gpairs dpnp implementation on dpbench

[adarshyoga]

The dpnp implementation of the gpairs algorithm crashes with SyclError showing failure in dpctl.

How to reproduce:

1. Follow instructions to setup dpbench
2. Run gpairs - python -c "import dpbench; dpbench.run_benchmark("gpairs")

[antonwolfy]

#1134 issue on dpctl is raised to support a sequence of usm_ndarray