Bump version to v0.5.3 #579

Job	Run time
linux-powerpc (powerpc64le-unknown-linux-gnu, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	4m 35s
linux (x86_64-unknown-linux-gnu)	4m 36s
linux-arm (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	4m 35s
linux-powerpc (powerpc64-unknown-linux-gnu, ppc64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	4m 35s
linux (i686-unknown-linux-gnu)	4m 37s
linux-s390x (s390x-unknown-linux-gnu, s390x)	4m 35s
linux-arm (armv7-unknown-linux-gnueabihf, armv7)	4m 36s
macos-aarch64	4m 35s
linux-arm (arm-unknown-linux-musleabihf, arm)	4m 35s
macos-x86_64	4m 37s
musllinux (x86_64-unknown-linux-musl)	4m 34s
musllinux (i686-unknown-linux-musl)	4m 33s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	4m 35s
sdist	4m 46s
windows (x86_64-pc-windows-msvc, x64)	4m 34s
windows (i686-pc-windows-msvc, x86)	4m 32s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	4m 34s
musllinux-cross (powerpc64le-unknown-linux-musl, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16, nightly)	4m 33s
	1h 22m 37s

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