Cosmos-sdk: IBC gRPC responses that return an `Any` need UnpackInterfaces function

[colin-axner]

Summary

Any ibc Query Response type that contains an Any at any layer below needs the UnpackInterfaces function. This includes types like QueryClientStatesResponse

ref: #8325

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[colin-axner]

This is something that should be backported right? In order to be included in a 0.40.1 release?
cc @fedekunze

Edit: I think I answered my own question. Clients need this to query properly so we should backport it. Not a state or api breaking change