sha1-checked: bump digest to `0.11.0-pre.8` #1139

Job	Run time
minimal-versions / minimal-versions	3m 23s
set-msrv / set-msrv	2s
test (1.71.0)	3m 39s
cross (1.71.0, aarch64-unknown-linux-gnu, default)	1m 10s
build (1.71.0, thumbv7em-none-eabi)	20s
test (stable)	3m 53s
build (1.71.0, wasm32-unknown-unknown)	26s
cross (1.71.0, powerpc-unknown-linux-gnu, default)	1m 36s
build (stable, thumbv7em-none-eabi)	26s
cross (stable, aarch64-unknown-linux-gnu, default)	1m 12s
build (stable, wasm32-unknown-unknown)	19s
cross (stable, powerpc-unknown-linux-gnu, default)	1m 34s
	18m 0s

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