Cut rc.2 prereleases (#512) #941

Job	Run time
test (1.85.0)	20s
test (stable)	31s
build (1.85.0, thumbv7em-none-eabi)	21s
build (stable, thumbv7em-none-eabi)	18s
build (1.85.0, wasm32-unknown-unknown)	17s
build (stable, wasm32-unknown-unknown)	18s
minimal-versions	0s
	2m 5s

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