ctr

Cut `rc.0` prereleases (#80) #222

Job	Run time
test (stable)	41s
build (1.85.0, wasm32-unknown-unknown)	19s
build (stable, wasm32-unknown-unknown)	11s
build (stable, thumbv7em-none-eabi)	15s
test (1.85.0)	39s
build (1.85.0, thumbv7em-none-eabi)	19s
minimal-versions	0s
	2m 24s

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