fix: fix code highlight range for Optimistic Updates section

Author: mahito1594

src/routes/solid-router/reference/data-apis/use-submission.mdx

@@ -61,7 +61,7 @@ When the form is submitted, the `submission` object will be updated with the new
 This allows you to provide feedback to the user that the action is in progress.
 Once the action is complete, the `pending` property will be set to `false` and the `result` property will be updated with final value.
 
-```tsx tab title="TypeScript" {5,9-11}
+```tsx tab title="TypeScript" {6,10-12}
 // component.tsx
 import { Show } from "solid-js";
 import { useSubmission } from "@solidjs/router";
@@ -90,7 +90,7 @@ function Component() {
 }
 ```
 
-```tsx tab title="JavaScript" {5,9-11}
+```tsx tab title="JavaScript" {6,10-12}
 // component.jsx
 import { Show } from "solid-js";
 import { useSubmission } from "@solidjs/router";