A minimal build backend for uv: uv_build #1071

Job	Run time
macos-x86_64	5m 15s
macos-aarch64	5m 15s
sdist	45s
linux (x86_64-unknown-linux-gnu)	4m 57s
linux-arm (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	5m 31s
windows (x86_64-pc-windows-msvc, x64)	3m 10s
linux (i686-unknown-linux-gnu)	5m 12s
linux-arm (armv7-unknown-linux-gnueabihf, armv7)	5m 31s
windows (i686-pc-windows-msvc, x86)	5m 34s
linux-arm (arm-unknown-linux-musleabihf, arm)	5m 31s
windows (aarch64-pc-windows-msvc, x64)	3m 15s
linux-powerpc (powerpc64le-unknown-linux-gnu, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	5m 31s
linux-s390x (s390x-unknown-linux-gnu, s390x)	4m 33s
linux-powerpc (powerpc64-unknown-linux-gnu, ppc64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	5m 29s
musllinux (x86_64-unknown-linux-musl)	5m 30s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	5m 28s
musllinux (i686-unknown-linux-musl)	5m 30s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	5m 28s
	1h 27m 25s

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