block-buffer: bump `crypto-common` to v0.2.0-rc.0 #518

Job	Run time
build (1.60.0, thumbv7em-none-eabi)	2m 0s
build (1.60.0, wasm32-unknown-unknown)	2m 1s
build (stable, thumbv7em-none-eabi)	16s
cross (aarch64-unknown-linux-gnu, 1.60.0)	2m 17s
build (stable, wasm32-unknown-unknown)	19s
cross (aarch64-unknown-linux-gnu, stable)	39s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	2m 10s
cross (powerpc-unknown-linux-gnu, 1.60.0)	2m 30s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	2m 5s
cross (powerpc-unknown-linux-gnu, stable)	31s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	2m 30s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	1m 57s
minimal-versions / minimal-versions	22s
	19m 37s

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