ghash

Bump `universal-hash` to v0.6.0-rc.0 #339

Job	Run time
benches	15s
build (1.65.0, thumbv7em-none-eabi)	1m 59s
test (1.65.0)	2m 4s
build (1.65.0, wasm32-unknown-unknown)	2m 3s
test (stable)	17s
build (stable, thumbv7em-none-eabi)	18s
build (stable, wasm32-unknown-unknown)	16s
	7m 12s

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