sha1

Implement ZeroizeOnDrop for SHA 1..=2 and Blake2 #873

Job	Run time
cross (1.51.0, aarch64-unknown-linux-gnu, default)	6m 48s
cross (1.51.0, powerpc-unknown-linux-gnu, default)	5m 50s
cross (stable, aarch64-unknown-linux-gnu, default)	44s
loongarch64_asm	27s
cross (stable, powerpc-unknown-linux-gnu, default)	1m 6s
test-msrv	3m 48s
minimal-versions / minimal-versions	2m 47s
set-msrv / set-msrv	3s
linux (x86_64-unknown-linux-gnu, 1.57.0)	8m 11s
build (1.57.0, thumbv7em-none-eabi)	3m 41s
linux (x86_64-unknown-linux-gnu, stable)	2m 33s
windows (x86_64-pc-windows-gnu, stable)	2m 20s
macos (1.57.0)	5m 57s
build (1.57.0, wasm32-unknown-unknown)	3m 41s
build (stable, thumbv7em-none-eabi)	19s
macos (stable)	39s
build (stable, wasm32-unknown-unknown)	12s
	49m 6s

Provide feedback