Bump ed25519-dalek from 2.2.0 to 3.0.0 in /native/aa-ffi-node (#245)

Bumps [ed25519-dalek](https://github.com/dalek-cryptography/curve25519-dalek) from 2.2.0 to 3.0.0.
- [Release notes](https://github.com/dalek-cryptography/curve25519-dalek/releases)
- [Changelog](https://github.com/dalek-cryptography/curve25519-dalek/blob/3.0.0/CHANGELOG.md)
- [Commits](dalek-cryptography/curve25519-dalek@ed25519-2.2.0...3.0.0)

---
updated-dependencies:
- dependency-name: ed25519-dalek
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

native/aa-ffi-node/Cargo.lock

@@ -47,7 +47,7 @@ tokio = { version = "1", features = ["rt", "macros", "net", "io-util", "time"] }
 # signs `nonce || sdk_version` before any heartbeat), so the test verifies the
 # Ed25519 proof. `rand` is value-returning for the nonce (no `[0u8; N]` literal
 # in the signing data-flow → CodeQL-clean).
-ed25519-dalek = "2"
+ed25519-dalek = "3"
 sha2 = "0.11"
 hex = "0.4"
 rand = "0.10"