chore: simplify next dev script

Author: PerishCode

next/package.json

@@ -4,7 +4,7 @@
   "private": true,
   "license": "Apache-2.0",
   "scripts": {
-    "dev": "next dev",
+    "dev": "next",
     "build": "next build",
     "start": "next start",
     "typecheck": "tsc --noEmit",

scripts/guard.ts

@@ -133,7 +133,7 @@ if (rootPkg) {
 if (nextPkg) {
   const scripts = nextPkg.scripts ?? {};
   const requiredScripts: Record<string, string> = {
-    dev: "next dev",
+    dev: "next",
     build: "next build",
     start: "next start",
     typecheck: "tsc --noEmit",