fix: Extension deprecation (#177)

Co-authored-by: Christopher Georg <[email protected]>

src/Bridge/Symfony/DependencyInjection/DbToolsExtension.php

@@ -10,9 +10,9 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 
 final class DbToolsExtension extends Extension
 {