tiger

Bump `digest` dependency to v0.11.0-pre.4 #585

Job	Run time
minimal-versions / minimal-versions	31s
set-msrv / set-msrv	4s
test (1.71.0)	27s
test (stable)	15s
build (1.71.0, thumbv7em-none-eabi)	20s
build (1.71.0, wasm32-unknown-unknown)	20s
build (stable, thumbv7em-none-eabi)	11s
build (stable, wasm32-unknown-unknown)	19s
	2m 27s

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