Switch to use CUDA driver APIs in Device constructor

[leofang]

Before this PR:

In [3]: %timeit Device()
660 ns ± 2.01 ns per loop (mean ± std. dev. of 7 runs, 1,000,000 loops each)

In [4]: %timeit Device(0)
644 ns ± 2.05 ns per loop (mean ± std. dev. of 7 runs, 1,000,000 loops each)

With this PR:

In [3]: %timeit Device()
396 ns ± 1.78 ns per loop (mean ± std. dev. of 7 runs, 1,000,000 loops each)

In [4]: %timeit Device(0)
165 ns ± 0.983 ns per loop (mean ± std. dev. of 7 runs, 10,000,000 loops each)

(Bindings are built from the main branch.)

[copy-pr-bot]

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[leofang]

/ok to test

[leofang]

/ok to test c9fac0b

[leofang]

This is ready.

[leofang]

/ok to test d70ec24

[leofang]

/ok to test d279e50

[leofang]

/ok to test 708fd70

[leofang]

/ok to test 4015f9c

[leofang]

Thanks, Ralf/Keith!

[github-actions]

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