fix(deps): update dependency zod to v4

Author: renovate[bot]

package.json

@@ -61,7 +61,7 @@
     "tailwind-merge": "^3.0.2",
     "tailwindcss-animate": "^1.0.7",
     "winston": "^3.17.0",
-    "zod": "^3.24.2"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.3.1",