fix(deps): update dependency zod to v4

Author: renovate[bot]

packages/cli/package.json

@@ -47,7 +47,7 @@
     "execa": "^9.6.0",
     "path-exists": "^5.0.0",
     "ts-toolbelt": "^9.6.0",
-    "zod": "^3.25.67"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "typescript": "^5.8.3"