Bump version to 0.5.8 #613

Job	Run time
macos-x86_64	9m 56s
sdist	9m 19s
macos-aarch64	12m 16s
linux (x86_64-unknown-linux-gnu)	8m 40s
linux-arm (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11m 4s
linux (i686-unknown-linux-gnu)	10m 59s
windows (x86_64-pc-windows-msvc, x64)	15m 44s
linux-arm (armv7-unknown-linux-gnueabihf, armv7)	10m 32s
windows (i686-pc-windows-msvc, x86)	15m 45s
linux-arm (arm-unknown-linux-musleabihf, arm)	10m 9s
linux-powerpc (powerpc64le-unknown-linux-gnu, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	12m 7s
linux-s390x (s390x-unknown-linux-gnu, s390x)	14m 11s
musllinux (x86_64-unknown-linux-musl)	10m 21s
linux-powerpc (powerpc64-unknown-linux-gnu, ppc64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	10m 38s
musllinux (i686-unknown-linux-musl)	9m 48s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11m 42s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	10m 30s
musllinux-cross (powerpc64le-unknown-linux-musl, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16, nightly)	6m 57s
	3h 20m 38s

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