eax

Bump `cipher` to `0.5.0-pre.4` #710

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	3m 24s
build (1.65.0, wasm32-unknown-unknown)	3m 25s
test (1.72.0)	24s
build (stable, thumbv7em-none-eabi)	12s
test (stable)	27s
build (stable, wasm32-unknown-unknown)	13s
	8m 5s

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