* sdk: update wormhole-core to wormhole-sdk and fix lib name to be wormhole_sdk
* cosmwasm: update wormhole and token bridge cosmwasm package/lib names
* Fix terra2 deployment script with new artifact names
Put all the local overrides at the workspace level rather than having
to specify the path in each individual crate. This will also make it
easier for us to publish to crates.io when that time comes.