build(deps): bump hkdf from 0.12.4 to 0.13.0

Bumps [hkdf](https://github.com/RustCrypto/KDFs) from 0.12.4 to 0.13.0.
- [Commits](RustCrypto/KDFs@hkdf-v0.12.4...hkdf-v0.13.0)

---
updated-dependencies:
- dependency-name: hkdf
  dependency-version: 0.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -68,7 +68,7 @@ ecdsa = { version = "0.16", features = ["der", "pkcs8"] }
 p256 = { version = "0.13", features = ["pkcs8"] }
 p384 = { version = "0.13", features = ["pkcs8"] }
 p521 = { version = "0.13", features = ["pkcs8"] }
-hkdf = "0.12"
+hkdf = "0.13"
 x509-cert = { workspace = true, features = ["builder", "hazmat"] }
 web-time = "1.1.0"
 rand = { workspace = true, features = ["getrandom"] }