Release SDK with new IGP addresses

[tkporter]

• The SDK should allow access to the default ISM's OverheadIGP, as well as the base IGP where the fee quoting lives
• Should indicate it's a breaking change because of the changes to InterchainGasCalculator & the new IGP addresses
• Should make sure that all of our own services / repos that consume the SDK upgrade to the new version. This includes deploying kathy from a fresh commit such that kathy pays for gas with the correct IGP

[nambrot]

Can you also update https://github.com/hyperlane-xyz/hyperlane-token/blob/main/trade-route-example-config.json