fix: add a missing param to SwapRouter deployment script

Problem: The current version of the core pool SwapRouter accepts
vBNB as the last argument. The deployment script fails because it
doesn't pass this argument to the constructor.

Solution: Add the missing argument.

deploy/006-deploy-swaprouter.ts

@@ -27,7 +27,7 @@ const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
   await deploy("SwapRouter", {
     contract: "SwapRouter",
     from: deployer,
-    args: [WBNBAddress, pancakeFactoryAddress, ADDRESSES[networkName].Unitroller],
+    args: [WBNBAddress, pancakeFactoryAddress, ADDRESSES[networkName].Unitroller, ADDRESSES[networkName].vBNB],
     log: true,
     autoMine: true,
   });