[v1] Re-export curve25519-dalek #909

Job	Run time
Test on u64_backend with slow hash	1m 17s
Test on u32_backend with slow hash	41s
Build with no-std on wasm32-unknown-unknown	15s
Test on i686-unknown-linux-gnu (using cross)	1m 35s
test digital_locker command-line example (stable)	25s
Test on i686-unknown-linux-gnu (using cross)	2m 36s
test digital_locker command-line example (1.56.0)	34s
test simple_login command-line example (stable)	23s
test simple_login command-line example (1.56.0)	41s
Build with no-std on wasm32-unknown-unknown	33s
test (u64_backend, stable)	1m 8s
Build with no-std on thumbv6m-none-eabi	14s
cargo bench compilation	2m 2s
test (u64_backend, 1.56.0)	6m 16s
Build with no-std on thumbv6m-none-eabi	20s
cargo clippy	13s
test (u32_backend, stable)	1m 10s
test (u32_backend, 1.56.0)	3m 27s
cargo-deny check	21s
cargo fmt	6s
	24m 17s

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