build(deps): bump ed25519-dalek from 2.1.1 to 2.2.0

Bumps [ed25519-dalek](https://github.com/dalek-cryptography/curve25519-dalek) from 2.1.1 to 2.2.0.
- [Release notes](https://github.com/dalek-cryptography/curve25519-dalek/releases)
- [Commits](dalek-cryptography/curve25519-dalek@2.1.1...ed25519-2.2.0)

---
updated-dependencies:
- dependency-name: ed25519-dalek
  dependency-version: 2.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -14,7 +14,7 @@ const-oid = { version = "0.9", default-features = false, features = ["std"] }
 const_format = { version = "0.2", default-features = false }
 derive_more = { version = "2.0.1", default-features = false }
 ecdsa = { version = "0.16", default-features = false }
-ed25519-dalek = { version = "2.1", default-features = false }
+ed25519-dalek = { version = "2.2", default-features = false }
 either = { version = "1.15", default-features = false }
 flagset = { version = "0.4", default-features = false }
 web-time = { version = "1.1.0", default-features = false }