Fix networking issue for using usher locally (#30598)

GitOrigin-RevId: 6b8a13a5fb9ac357eee394fd1108b5e1b04d7d97

Author: emmaling27

src/cli/index.ts

@@ -29,6 +29,7 @@ import inquirer from "inquirer";
 import inquirerSearchList from "inquirer-search-list";
 import { format } from "util";
 import { functionSpec } from "./functionSpec.js";
+import dns from "node:dns";
 
 const MINIMUM_MAJOR_VERSION = 16;
 const MINIMUM_MINOR_VERSION = 15;
@@ -43,6 +44,9 @@ async function main() {
   // import * as SentryTracing from "@sentry/tracing"
   // Unused named imports are not guaranteed to patch the global hub.
 
+  // Use ipv4 first for 127.0.0.1 in tests
+  dns.setDefaultResultOrder("ipv4first");
+
   if (!process.env.CI && provisionHost === productionProvisionHost) {
     Sentry.init({
       dsn: "https://[email protected]/6390839",