fix(deps): update dependency zod to v4

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "sonner": "1.5.0",
     "untypeable": "0.2.1",
     "wretch": "2.9.0",
-    "zod": "3.23.8"
+    "zod": "4.0.5"
   },
   "devDependencies": {
     "@total-typescript/ts-reset": "0.5.1",