Bump `cipher` to v0.5.0-pre.1; MSRV 1.65 #174

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 38s
build (1.65.0, wasm32-unknown-unknown)	1m 39s
build (stable, thumbv7em-none-eabi)	18s
test (1.65.0)	1m 44s
build (stable, wasm32-unknown-unknown)	19s
test (stable)	18s
minimal-versions / minimal-versions	28s
	6m 24s

Provide feedback