fix(parser): set zod peer range to 4.x (#4196)

Author: dreamorosi

package-lock.json

@@ -205,7 +205,7 @@
   },
   "peerDependencies": {
     "@middy/core": "4.x || 5.x || 6.x",
-    "zod": "^3.25.0 || ^4.0.0"
+    "zod": "4.x"
   },
   "peerDependenciesMeta": {
     "zod": {