Bump aes-soft from 0.6.3 to 0.6.4
Bump aes-soft from 0.6.3 to 0.6.4

Bumps [aes-soft](https://github.com/RustCrypto/block-ciphers) from 0.6.3 to 0.6.4.
- [Release notes](https://github.com/RustCrypto/block-ciphers/releases)
- [Commits](https://github.com/RustCrypto/block-ciphers/compare/aes-soft-v0.6.3...aes-soft-v0.6.4)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Closes: #6834

libra/libra,libra/libra,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra