Add deployment file

contracts/contracts/interfaces/ITimelockController.sol

@@ -45,4 +45,6 @@ interface ITimelockController {
     function isOperation(bytes32 opHash) external view returns (bool);
 
     function getMinDelay() external view returns (uint256);
+
+    function updateDelay(uint256 newDelay) external;
 }

contracts/deploy/base/016_timelock_2d_delay.js

@@ -0,0 +1,25 @@
+const { deployOnBaseWithGuardian } = require("../../utils/deploy-l2");
+const addresses = require("../../utils/addresses");
+
+module.exports = deployOnBaseWithGuardian(
+  {
+    deployName: "016_timelock_2d_delay",
+  },
+  async ({ ethers }) => {
+    const cTimelock = await ethers.getContractAt(
+      "ITimelockController",
+      addresses.base.timelock
+    );
+
+    return {
+      actions: [
+        {
+          // 1. Update delay to 2d
+          contract: cTimelock,
+          signature: "updateDelay(uint256)",
+          args: [2 * 24 * 60 * 60],
+        },
+      ],
+    };
+  }
+);