Bump version to 0.2.27 #390

Job	Run time
linux (x86_64-unknown-linux-gnu)	5m 53s
linux-powerpc (powerpc64le-unknown-linux-gnu, ppc64le)	6m 25s
linux-s390x (s390x-unknown-linux-gnu, s390x)	6m 40s
linux-arm (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	6m 45s
linux-powerpc (powerpc64-unknown-linux-gnu, ppc64)	6m 16s
linux-arm (armv7-unknown-linux-gnueabihf, armv7)	6m 0s
linux (i686-unknown-linux-gnu)	8m 35s
linux-arm (arm-unknown-linux-musleabihf, arm)	5m 43s
macos-aarch64	4m 11s
macos-x86_64	8m 25s
sdist	5m 4s
windows (x86_64-pc-windows-msvc, x64)	10m 35s
musllinux (x86_64-unknown-linux-musl)	5m 59s
windows (i686-pc-windows-msvc, x86)	15m 7s
musllinux (i686-unknown-linux-musl)	5m 11s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	6m 44s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	5m 46s
musllinux-cross (powerpc64le-unknown-linux-musl, ppc64le, nightly)	6m 23s
	2h 5m 42s

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