Bump blake2 from 0.9.1 to 0.9.2 (#336)

Bumps [blake2](https://github.com/RustCrypto/hashes) from 0.9.1 to 0.9.2.
- [Release notes](https://github.com/RustCrypto/hashes/releases)
- [Commits](https://github.com/RustCrypto/hashes/compare/blake2-v0.9.1...blake2-v0.9.2

)

---
updated-dependencies:
- dependency-name: blake2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>