ssh-key: bump `ed25519-dalek` to v3.0.0-pre.1 #932

Job	Run time
test (1.85.0)	3m 36s
no_std (1.85.0, thumbv7em-none-eabi)	1m 39s
build (x86_64-apple-darwin, macos-latest, stable)	49s
no_std (1.85.0, wasm32-unknown-unknown)	1m 39s
test (stable)	3m 30s
build (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mul...	1m 1s
no_std (stable, wasm32-unknown-unknown)	1m 41s
build (x86_64-pc-windows-msvc, windows-latest, stable)	1m 28s
no_std (stable, thumbv7em-none-eabi)	1m 39s
	17m 2s

Provide feedback