fix: clarify Node version error branding

Author: DavidJGrimsley

cli/src/cli.ts

@@ -21,7 +21,7 @@ export async function run() {
   const isVersionOk = major > 20 || (major === 20 && (minor > 19 || (minor === 19 && patch >= 4)));
 
   if (!isVersionOk) {
-    console.error(`Error: rn-new requires Node.js version 20.19.4 or higher.`);
+    console.error(`Error: create-expo-stack requires Node.js version 20.19.4 or higher.`);
     console.error(`You are currently running Node.js ${process.versions.node}.`);
     console.error('Please update your Node version.');
     process.exit(1);