Migrate to new version of `cipher` #553

Job	Run time
build (1.85.0, thumbv7em-none-eabi)	25s
build (stable, thumbv7em-none-eabi)	25s
build (stable, wasm32-unknown-unknown)	30s
build (1.85.0, wasm32-unknown-unknown)	20s
test (stable)	36s
test (1.85.0)	19s
minimal-versions	0s
	2m 35s

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