Look like something went wrong in the release process, it is using solana-signature 2.2.1, need 2.3.0 to works
error[E0432]: unresolved import `solana_signature::error`
--> ~/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/solana-keypair-2.2.2/src/lib.rs:10:24
|
10 | solana_signature::{error::Error as SignatureError, Signature},
| ^^^^^ could not find `error` in `solana_signature`