[Symfony Bundle] Fix the usage of a deprecated class (#1717)

* Fix the usage of a deprecated class

* Add an entry to the CHANGELOG.md

* Update src/Integration/Symfony/Bundle/CHANGELOG.md

---------

Co-authored-by: Jérémy Derussé <jeremy@derusse.com>

Author: javiereguiluz

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- Replace deprecated Extension by  Symfony\Component\DependencyInjection\Extension\Extension
+  instead of the deprecated Symfony\Component\HttpKernel\DependencyInjection\Extension class
+
 ## 1.12.1
 
 ### Changed

src/DependencyInjection/AsyncAwsExtension.php

@@ -15,8 +15,8 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\HttpClient\HttpClientInterface;