Bump version to v0.3.2 #443

Job	Run time
macos-aarch64	14s
linux (x86_64-unknown-linux-gnu)	14s
linux-arm (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	12s
linux (i686-unknown-linux-gnu)	12s
linux-arm (armv7-unknown-linux-gnueabihf, armv7)	15s
sdist	13s
linux-powerpc (powerpc64le-unknown-linux-gnu, ppc64le)	12s
linux-arm (arm-unknown-linux-musleabihf, arm)	13s
macos-x86_64	12s
linux-powerpc (powerpc64-unknown-linux-gnu, ppc64)	12s
windows (x86_64-pc-windows-msvc, x64)	9s
linux-s390x (s390x-unknown-linux-gnu, s390x)	13s
windows (i686-pc-windows-msvc, x86)	12s
musllinux (x86_64-unknown-linux-musl)	13s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11s
musllinux (i686-unknown-linux-musl)	12s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	12s
musllinux-cross (powerpc64le-unknown-linux-musl, ppc64le, nightly)	11s
	3m 42s

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