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Release cshake v0.2.0 #1595

Job	Run time
set-msrv / set-msrv	5s
test (stable)	34s
build (stable, wasm32-unknown-unknown)	20s
build (1.85.0, wasm32-unknown-unknown)	16s
test (1.85.0)	37s
build (1.85.0, thumbv7em-none-eabi)	18s
build (stable, thumbv7em-none-eabi)	19s
	2m 29s

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