digest: bump `const-oid` dependency to v0.10.0-pre.2 #1796

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 43s
test (1.65.0)	1m 47s
build (1.65.0, wasm32-unknown-unknown)	1m 38s
test (stable)	22s
minimal-versions	2m 27s
build (stable, thumbv7em-none-eabi)	18s
build (stable, wasm32-unknown-unknown)	17s
	8m 32s

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