build(deps): bump sha2 from 0.9.1 to 0.9.2
Bumps [sha2](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/sha2-v0.9.1...streebog-v0.9.2)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>