Bump `password-hash` dependency to v0.6.0-rc.0 (#512) #922

Job	Run time
build (1.72.0, thumbv7em-none-eabi)	26s
minimal-versions	0s
build (1.72.0, wasm32-unknown-unknown)	19s
build (stable, thumbv7em-none-eabi)	20s
build (stable, wasm32-unknown-unknown)	19s
test (1.72.0)	20s
test (stable)	25s
	2m 9s

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