Cut prereleases with `hybrid-array` v0.4 support (#500) #979

Job	Run time
test (stable)	1m 30s
macos (stable)	1m 46s
macos (1.85.0)	2m 10s
test (1.85.0)	1m 47s
build (stable, wasm32-unknown-unknown)	1m 1s
build (1.85.0, wasm32-unknown-unknown)	52s
build (stable, thumbv7em-none-eabi)	59s
build (1.85.0, thumbv7em-none-eabi)	49s
minimal-versions	-1s
	10m 53s

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