Update sha2 to 0.10

[benma]

It causes a duplicate dep in my project (0.10 and 0.9).

ed25519-dalek/Cargo.toml

Line 32 in 7529d65

sha2 = { version = "0.9", default-features = false }

[pinkforest]

It's in the release/2.0 branch

Not yet released but will be soon.

[benma]

When is soon? 😄

@pinkforest @rozbb
Maybe you could make an intermediate 1.X release to bump sha2to 0.10? It is still blocking me from updating other deps that depend on sha2 0.10.

[tarcieri]

@benma is there a specific reason you can’t use a prerelease?

[benma]

@tarcieri I prefer to use official releases. I assume prereleases are for testing and may contain bugs.

[tarcieri]

We’re currently on release candidates. They are safe to use

[benma]

Okay, thanks for the info!