fix typos

Author: xDeSwa

src/LiveComponent/CHANGELOG.md

@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## 2.28.0
+## 2.29.0
 
 -   Added `JSONResponse` support (LiveAction functions) in LiveComponent.
 

src/LiveComponent/doc/index.rst

@@ -1335,7 +1335,7 @@ Based on the JSON data, you can perform operations or trigger actions within the
 
 Component with a ``JsonResponse`` in a LiveAction:
 
-.. code-block:: php
+::
 
     // src/Twig/Components/Posts.php
     namespace App\Twig\Components;