update version to 0.22.1.rc0 #312

Job	Run time
Cargo.lock	5s
build sdist	25s
build on macos (aarch64 - auto)	2m 56s
build on macos (x86_64 - auto)	3m 23s
build on linux (x86_64 - auto)	2m 52s
build on windows (x86_64 - auto)	3m 39s
build on linux (aarch64 - auto)	3m 32s
build on windows (i686 - auto)	4m 33s
build on linux (i686 - auto)	4m 54s
build on linux (armv7 - auto)	2m 21s
build on linux (ppc64le - auto)	2m 26s
build on linux (aarch64 - musllinux_1_1)	3m 15s
build on linux (x86_64 - musllinux_1_1)	3m 11s
build on linux (s390x - auto)	2m 27s
Upload package to PyPi	9s
	40m 8s

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