(fix): pin maturin version and always run CI #61

Job	Run time
build sdist	24s
build on linux (x86_64 - 2_28)	4m 54s
build on linux (aarch64 - 2_28)	3m 26s
build on macos (x86_64)	2m 47s
build on macos (aarch64)	2m 8s
build on windows (x86_64)	11m 8s
build on windows (aarch64)	11m 20s
build on linux (armv7 - 2_28)	3m 39s
build on linux (ppc64le - 2_28)	3m 36s
build on linux (x86_64 - musllinux_1_2)	3m 17s
build on linux (aarch64 - musllinux_1_2)	3m 15s
build on linux (armv7 - musllinux_1_2)	3m 12s
build on windows (i686)	10m 34s
inspect	0s
version	0s
publish	0s
	1h 3m 40s

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