docs: correct zod validation example (#735)

Author: IsraelOrtuno

docs/2.utils/1.request.md

@@ -202,12 +202,8 @@ export default defineEventHandler((event) => {
 ```ts
 import { z } from "zod";
 export default defineEventHandler((event) => {
-  const query = getValidatedQuery(
-    event,
-    z.object({
-      key: z.string(),
-    }),
-  );
+  const objectSchema = z.object({ key: z.string() });
+  const query = getValidatedQuery(event, objectSchema.safeParse);
 });
 ```
 
@@ -234,12 +230,8 @@ export default defineEventHandler((event) => {
 ```ts
 import { z } from "zod";
 export default defineEventHandler((event) => {
-  const params = getValidatedRouterParams(
-    event,
-    z.object({
-      key: z.string(),
-    }),
-  );
+  const objectSchema = z.object({ key: z.string() });
+  const params = getValidatedRouterParams(event, objectSchema.safeParse);
 });
 ```