Decoding of custom errors

### What feature should we add?

I wonder if there is any appetite for going a little further on this https://github.com/ethereum/web3.py/issues/2336 - now that `ContractLogicError.data` is available its not far from being possible to attempt to decode this and raise much clearer errors on the python side?

Would be great to get peoples thoughts and maybe I can have a go at it? I am currently doing this manually in my own code but it feels like it could live here?