Switch to using np.uint for unsigned long in casting dets #115

Job	Run time
Build wheels on windows-11-arm	3m 21s
Build wheels on macOS-14	3m 39s
Build wheels on windows-latest	3m 29s
Build wheels on ubuntu-24.04-arm	3m 37s
Build wheels on ubuntu-latest	3m 39s
Build wheels on macOS-13	3m 40s
	21m 25s

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