[examples] Fix image-component typo (#23437)

## Documentation / Examples

- [x] Make sure the linting passes

examples/image-component/pages/index.js

@@ -20,7 +20,7 @@ const Index = () => (
       <p>
         This component is designed to{' '}
         <a href="https://nextjs.org/docs/basic-features/image-optimization">
-          automatically optimizate
+          automatically optimize
         </a>{' '}
         images on-demand as the browser requests them.
       </p>