chore: update portal upgrade script

Author: viraj124

packages/solidity-contracts/deploy/hardhat/010.portal_upgrade.ts

@@ -16,7 +16,7 @@ const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
     upgrades: { erc1967 },
   } = hre;
 
-  const [deployer] = await ethers.getSigners();
+  const [deployer, , ,secondaryUser] = await ethers.getSigners();
 
   const isForking = hre.config.networks[hre.network.name]?.forking?.enabled;
   let address;
@@ -73,6 +73,17 @@ const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
       data: txData,
     });
 
+    txData = await portal.interface.encodeFunctionData('grantRole', [
+      SET_RATE_LIMITER_ROLE,
+      await secondaryUser.getAddress(),
+    ]);
+
+    await impersonatedSigner.sendTransaction({
+      to: address,
+      data: txData,
+    });
+
+
     const implementation = await erc1967.getImplementationAddress(address);
 
     console.log('Upgraded FuelMessagePortal to', implementation);

packages/solidity-contracts/integration-tests/transfer_eth.ts

@@ -451,7 +451,7 @@ describe('Transferring ETH', async function () {
     });
 
     it('Rate limit parameters are updated when the initial duration is over', async () => {
-      const deployer = env.eth.deployer;
+      const deployer = await env.eth.signers[0];
 
       // fast forward time
       await env.eth.provider.send('evm_increaseTime', [