cipher: test `minimal-versions` on stable in CI (#1366) #2039

Job	Run time
build (1.56.0, thumbv7em-none-eabi)	4m 47s
derive (1.56.0)	4m 50s
build (1.56.0, wasm32-unknown-unknown)	5m 14s
derive (stable)	30s
build (stable, thumbv7em-none-eabi)	20s
doc	32s
build (stable, wasm32-unknown-unknown)	15s
test (1.56.0)	5m 48s
test (stable)	17s
minimal-versions / minimal-versions	28s
	23m 1s

Provide feedback