chore(deps): update peerdependency zod to v4

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
     "prepare": "skilld prepare || true"
   },
   "peerDependencies": {
-    "zod": ">=3"
+    "zod": ">=4.4.3"
   },
   "peerDependenciesMeta": {
     "zod": {