web3-utils keccak256 raise error for string type data

[nazarhussain]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

If we do the current keccak256 for string data it raise error.

TypeError: Expected Uint8Array data

Expected Behavior

Considering the 1.x compatibility, we have to accept a string input.

Steps to Reproduce

keccak256("my data"); 

Web3.js Version

4.x

Environment

• Operating System: N/A
• Browser: N/A
• Node.js Version: 16.x
• NPM Version: N/A

Anything Else?

No response