Fix(arbitrum:abi.ts): make ABIs arrays

packages/arbitrum/src/abi.ts

@@ -1,5 +1,5 @@
 // https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/ethereum/gateway/L1GatewayRouter.sol#L229
-export const GATEWAY_OUTBOUND_TRANSFER_FRAG = {
+export const GATEWAY_OUTBOUND_TRANSFER_FRAG = [{
   inputs:
   [
     {internalType:"address",name:"_token",type:"address"},
@@ -13,9 +13,9 @@ export const GATEWAY_OUTBOUND_TRANSFER_FRAG = {
   outputs:[{internalType:"bytes",name:"",type:"bytes"}],
   stateMutability:"payable",
   type:"function"
-}
+}]
 
-export const ARBSYS_WITHDRAW_ETH_FRAG = {
+export const ARBSYS_WITHDRAW_ETH_FRAG = [{
   inputs:
   [
     {internalType:"address",name:"destination",type:"address"}
@@ -24,12 +24,12 @@ export const ARBSYS_WITHDRAW_ETH_FRAG = {
   outputs:[{internalType:"uint256",name:"",type:"uint256"}],
   stateMutability:"payable",
   type:"function"
-}
+}]
 
-export const INBOX_DEPOSIT_ETH_FRAG =  {
+export const INBOX_DEPOSIT_ETH_FRAG =  [{
   inputs:[],
   name:"depositEth",
   outputs:[{internalType:"uint256",name:"",type:"uint256"}],
   stateMutability:"payable",
   type:"function"
-}
+}]