Bump keccak from 0.1.5 to 0.1.6 in /chains/solana/contracts#1718

dependabot[bot] wants to merge 1 commit intomainsmartcontractkit/chainlink-ccip:mainfrom

dependabot/cargo/chains/solana/contracts/keccak-0.1.6smartcontractkit/chainlink-ccip:dependabot/cargo/chains/solana/contracts/keccak-0.1.6Copy head branch name to clipboard