fix: correct imports and typecast in greeter task

tasks/deploy/greeter.ts

@@ -1,13 +1,13 @@
 import { task } from "hardhat/config";
 import { TaskArguments } from "hardhat/types";
 
-import { Greeter } from "../../types/Greeter";
-import { Greeter__factory } from "../../types/factories/Greeter__factory";
+import { Greeter } from "../../src/types/Greeter";
+import { Greeter__factory } from "../../src/types/factories/Greeter__factory";
 
 task("deploy:Greeter")
   .addParam("greeting", "Say hello, be nice")
   .setAction(async function (taskArguments: TaskArguments, { ethers }) {
-    const greeterFactory: Greeter__factory = await ethers.getContractFactory("Greeter");
+    const greeterFactory: Greeter__factory = <Greeter__factory>await ethers.getContractFactory("Greeter");
     const greeter: Greeter = <Greeter>await greeterFactory.deploy(taskArguments.greeting);
     await greeter.deployed();
     console.log("Greeter deployed to: ", greeter.address);