chore(deps): bump hkdf

Bumps the validation-deps group in /validation/local_ping_pong_openssl with 1 update: [hkdf](https://github.com/RustCrypto/KDFs).


Updates `hkdf` from 0.13.0-rc.5 to 0.13.0
- [Commits](RustCrypto/KDFs@hkdf-v0.13.0-rc.5...hkdf-v0.13.0)

---
updated-dependencies:
- dependency-name: hkdf
  dependency-version: 0.13.0
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: validation-deps
...

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Author: dependabot[bot]