minor #17461 [Templating] add missing use for Template attribute (tacman)

This PR was merged into the 6.2 branch.

Discussion
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[Templating] add missing use for Template attribute

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Commits
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c59d466 add missing use for Template attribute

Author: javiereguiluz

templates.rst

@@ -463,6 +463,7 @@ to define the template to render::
 
     use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
     use Symfony\Component\HttpFoundation\Response;
+    use Symfony\Bridge\Twig\Attribute\Template;
 
     class ProductController extends AbstractController
     {