Bump `digest` to v0.11.0-pre.9 #1081

Job	Run time
cross (1.72.0, aarch64-unknown-linux-gnu, default)	41s
cross (1.72.0, powerpc-unknown-linux-gnu, default)	36s
cross (stable, aarch64-unknown-linux-gnu, default)	38s
cross (stable, powerpc-unknown-linux-gnu, default)	49s
minimal-versions / minimal-versions	45s
set-msrv / set-msrv	4s
macos (1.72.0)	28s
windows (x86_64-pc-windows-gnu, 1.72.0)	58s
macos (stable)	27s
windows (x86_64-pc-windows-gnu, stable)	1m 11s
build (1.72.0, thumbv7em-none-eabi)	27s
build (1.72.0, wasm32-unknown-unknown)	20s
build (1.72.0, loongarch64-unknown-linux-gnu)	25s
linux (x86_64-unknown-linux-gnu, 1.72.0)	47s
build (stable, thumbv7em-none-eabi)	20s
linux (x86_64-unknown-linux-gnu, stable)	37s
build (stable, wasm32-unknown-unknown)	19s
build (stable, loongarch64-unknown-linux-gnu)	20s
	10m 12s

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