Bump `cipher` dependency to v0.5.0-rc.2 #938

Job	Run time
minimal-versions	0s
build (stable, wasm32-unknown-unknown)	18s
test (1.85.0)	24s
build (1.85.0, wasm32-unknown-unknown)	20s
test (stable)	23s
build (1.85.0, thumbv7em-none-eabi)	18s
build (stable, thumbv7em-none-eabi)	17s
	2m 0s

Provide feedback