build(deps): bump ed25519-dalek from 3.0.0-pre.3 to 3.0.0-pre.4

Bumps [ed25519-dalek](https://github.com/dalek-cryptography/curve25519-dalek) from 3.0.0-pre.3 to 3.0.0-pre.4.
- [Release notes](https://github.com/dalek-cryptography/curve25519-dalek/releases)
- [Commits](https://github.com/dalek-cryptography/curve25519-dalek/commits)

---
updated-dependencies:
- dependency-name: ed25519-dalek
  dependency-version: 3.0.0-pre.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ blake3 = { version = "1.8.2", features = ["digest"] }
 clap = { version = "4.5.54", features = ["derive"] }
 comfy-table = "7.2.1"
 directories = "6.0.0"
-ed25519-dalek = { version = "=3.0.0-pre.3", features = [
+ed25519-dalek = { version = "=3.0.0-pre.4", features = [
     "pem",
     "pkcs8",
     "signature",