contracts: Update to wasmi 0.31 (#1350)
* contracts: Update to wasmi 0.31 * ".git/.scripts/commands/bench/bench.sh" --subcommand=pallet --runtime=dev --target_dir=substrate --pallet=pallet_contracts --------- Co-authored-by: command-bot <>
* contracts: Update to wasmi 0.31 * ".git/.scripts/commands/bench/bench.sh" --subcommand=pallet --runtime=dev --target_dir=substrate --pallet=pallet_contracts --------- Co-authored-by: command-bot <>