chore(deps): bump the validation-deps group

Bumps the validation-deps group in /validation/local_ping_pong_openssl with 2 updates: [crypto-bigint](https://github.com/RustCrypto/crypto-bigint) and [sha2](https://github.com/RustCrypto/hashes).


Updates `crypto-bigint` from 0.7.2 to 0.7.3
- [Changelog](https://github.com/RustCrypto/crypto-bigint/blob/master/CHANGELOG.md)
- [Commits](RustCrypto/crypto-bigint@v0.7.2...v0.7.3)

Updates `sha2` from 0.11.0-rc.5 to 0.11.0
- [Commits](RustCrypto/hashes@sha2-v0.11.0-rc.5...sha2-v0.11.0)

---
updated-dependencies:
- dependency-name: crypto-bigint
  dependency-version: 0.7.3
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: validation-deps
- dependency-name: sha2
  dependency-version: 0.11.0
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: validation-deps
...

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Author: dependabot[bot]