Tidy up CI setup #49

Job	Run time
compute-matrix	3s
checks / other-checks	36s
checks / check-style	35s
build-conda / compute-matrix	2s
build-wheels / compute-matrix	3s
build-conda / build (12.0.1, amd64, 3.12, rockylinux8)	2m 21s
build-wheels / 12.0.1, 3.12, amd64, rockylinux8	2m 50s
test-conda / compute-matrix	6s
test-conda / tests (12.0.1, amd64, 3.9, ubuntu20.04, v100, latest)	1s
test-conda / tests (12.0.1, amd64, 3.10, ubuntu20.04, v100, latest)	1s
test-conda / tests (12.0.1, amd64, 3.11, ubuntu20.04, v100, latest)	1s
test-conda / tests (12.0.1, amd64, 3.12, ubuntu20.04, v100, latest)	1s
test-conda / tests (12.0.1, arm64, 3.9, ubuntu20.04, a100, latest)	1s
test-conda / tests (12.0.1, arm64, 3.10, ubuntu20.04, a100, latest)	3m 10s
test-conda / tests (12.0.1, arm64, 3.11, ubuntu20.04, a100, latest)	5m 30s
test-conda / tests (12.0.1, arm64, 3.12, ubuntu20.04, a100, latest)	53s
test-wheels / compute-matrix	4s
test-wheels / 12.0.1, 3.9, amd64, ubuntu20.04, v100	1s
test-wheels / 12.0.1, 3.10, amd64, ubuntu20.04, v100	1s
test-wheels / 12.0.1, 3.11, amd64, ubuntu20.04, v100	1s
test-wheels / 12.0.1, 3.12, amd64, ubuntu20.04, v100	1s
test-wheels / 12.0.1, 3.9, arm64, ubuntu20.04, a100	1s
test-wheels / 12.0.1, 3.10, arm64, ubuntu20.04, a100	1s
test-wheels / 12.0.1, 3.11, arm64, ubuntu20.04, a100	1s
test-wheels / 12.0.1, 3.12, arm64, ubuntu20.04, a100	1s
pr-builder	1s
	16m 27s

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