Bumped version to 0.9.0 #89

Job	Run time
sdist	29s
macos (x86_64)	5m 32s
musllinux (x86_64-unknown-linux-musl)	4m 50s
linux (x86_64)	5m 46s
macos (aarch64)	5m 37s
musllinux (i686-unknown-linux-musl)	4m 54s
linux (x86)	5m 44s
windows (x64)	14m 41s
linux (aarch64)	5m 46s
linux (armv7)	5m 45s
linux (s390x)	5m 45s
windows (x86)	16m 18s
linux (ppc64le)	5m 41s
Release	0s
	1h 26m 48s

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