chore: Fix types test

Author: nzakas

tests/fixtures/typescript-project/index.ts

@@ -1,4 +1,3 @@
-import { Env } from "@humanwhocodes/env";
+import { ArrayWithDefault } from "@humanwhocodes/array-with-default";
 
-const env = new Env();
-const username = env.get("USERNAME");
+new ArrayWithDefault({ default: 1 });

tests/fixtures/typescript-project/package-lock.json

@@ -10,6 +10,6 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@humanwhocodes/env": "file:../../../"
+    "@humanwhocodes/array-with-default": "file:../../../"
   }
 }