only works on Apple Silicon macs

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I don't know how to make pip request wheels from other platforms for download (specifically, how to make it request universal2 or arm64 wheels on an x86_64 machine, or vice versa) so instead I cheese it by running arch -x86_64 pip to make it think it's an Intel machine to download Intel wheels. This obviously doesn't work wince the paired arch -arm64 pip can't run on Intel hardware.

We don't need to run, or even install, the other architecture's wheel, so some combination of pip download with --platform and maybe pip wheel with --no-binary in certain circumstances (I think when only arm64 wheels are available?) should do the trick