Add opt-in uv-build Python prebuilt installs #51

Job	Run time
test-on-windows (windows-latest, 3.12.2, https://mirrors.huaweicloud.com/python/)	1m 13s
test-on-linux (ubuntu-latest, 3.12.2)	1m 53s
test-on-linux (ubuntu-latest, 3.12.2, https://mirrors.huaweicloud.com/python/)	1m 58s
test-on-windows (windows-latest, 3.12.2)	1m 14s
	6m 18s

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