Add device-side support for int.bit_count (which just lowers to cuda.… #130

Job	Run time
compute-matrix	5s
checks / other-checks	35s
checks / check-style	46s
build-wheels / compute-matrix	4s
build-conda / compute-matrix	2s
build-conda / build (12.0.1, amd64, 3.12, rockylinux8)	2m 14s
build-wheels / 12.0.1, 3.12, amd64, rockylinux8	3m 16s
test-conda / compute-matrix	2s
build-docs / build	1m 19s
test-conda / tests (11.4.3, amd64, 3.9, ubuntu20.04, v100, latest)	9m 4s
test-conda / tests (11.8.0, amd64, 3.10, ubuntu20.04, v100, latest)	9m 1s
test-conda / tests (12.0.1, amd64, 3.11, ubuntu20.04, v100, latest)	8m 33s
test-conda / tests (12.5.1, amd64, 3.12, ubuntu20.04, v100, latest)	8m 42s
test-conda / tests (11.4.3, arm64, 3.9, ubuntu20.04, a100, latest)	8m 52s
test-conda / tests (11.8.0, arm64, 3.10, ubuntu20.04, a100, latest)	7m 36s
test-conda / tests (12.0.1, arm64, 3.11, ubuntu20.04, a100, latest)	6m 39s
test-conda / tests (12.5.1, arm64, 3.12, ubuntu20.04, a100, latest)	6m 38s
test-wheels / compute-matrix	4s
test-wheels / 11.8.0, 3.9, amd64, ubuntu20.04, v100	10m 59s
test-wheels / 11.8.0, 3.10, amd64, ubuntu20.04, v100	11m 14s
test-wheels / 12.0.1, 3.11, amd64, ubuntu20.04, v100	10m 38s
test-wheels / 12.5.1, 3.12, amd64, ubuntu20.04, v100	10m 20s
test-wheels / 11.8.0, 3.9, arm64, ubuntu20.04, a100	8m 32s
test-wheels / 11.8.0, 3.10, arm64, ubuntu20.04, a100	7m 36s
test-wheels / 12.0.1, 3.11, arm64, ubuntu20.04, a100	7m 7s
test-wheels / 12.5.1, 3.12, arm64, ubuntu20.04, a100	8m 9s
pr-builder / run	1s
	2h 28m 8s

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