doc: update README #2

Job	Run time
sdist	10s
musllinux (x86_64-unknown-linux-musl, 3.8)	12s
macos (3.8, x86_64)	1s
musllinux (x86_64-unknown-linux-musl, 3.9)	27s
linux (x86_64, 3.8)	38s
macos (3.8, aarch64)	1s
musllinux (x86_64-unknown-linux-musl, 3.10)	21s
windows (3.8, x64)	53s
linux (x86_64, 3.9)	38s
macos (3.9, x86_64)	1s
musllinux (x86_64-unknown-linux-musl, 3.11)	13s
windows (3.9, x64)	52s
linux (x86_64, 3.10)	42s
macos (3.9, aarch64)	1s
musllinux (x86_64-unknown-linux-musl, 3.12)	12s
windows (3.10, x64)	54s
linux (x86_64, 3.11)	38s
macos (3.10, x86_64)	17s
musllinux (i686-unknown-linux-musl, 3.8)	34s
windows (3.11, x64)	50s
linux (x86_64, 3.12)	37s
macos (3.10, aarch64)	17s
musllinux (i686-unknown-linux-musl, 3.9)	34s
windows (3.12, x64)	54s
linux (i686, 3.8)	51s
macos (3.11, x86_64)	16s
musllinux (i686-unknown-linux-musl, 3.10)	33s
macos (3.11, aarch64)	14s
linux (i686, 3.9)	42s
musllinux (i686-unknown-linux-musl, 3.11)	35s
macos (3.12, x86_64)	1s
musllinux (i686-unknown-linux-musl, 3.12)	34s
linux (i686, 3.10)	51s
macos (3.12, aarch64)	1s
linux (i686, 3.11)	53s
linux (i686, 3.12)	55s
Release	0s
	17m 23s

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