Bump `digest` dependency to v0.11.0-pre.7 #242

Job	Run time
minimal-versions / minimal-versions	39s
set-msrv / set-msrv	3s
test (1.71.0)	28s
build (1.71.0, thumbv7em-none-eabi)	22s
test (stable)	22s
build (1.71.0, wasm32-unknown-unknown)	18s
build (stable, thumbv7em-none-eabi)	29s
build (stable, wasm32-unknown-unknown)	19s
	3m 0s

Provide feedback