apply more cs rules for php-cs

src/Bundle/ChillActivityBundle/DependencyInjection/Configuration.php

@@ -13,7 +13,6 @@ namespace Chill\ActivityBundle\DependencyInjection;
 
 use Symfony\Component\Config\Definition\Builder\TreeBuilder;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
-
 use function is_int;
 
 /**
@@ -59,7 +58,7 @@ class Configuration implements ConfigurationInterface
             ->info('The number of seconds of this duration. Must be an integer.')
             ->cannotBeEmpty()
             ->validate()
-            ->ifTrue(static fn ($data) => !is_int($data))->thenInvalid('The value %s is not a valid integer')
+            ->ifTrue(static fn ($data) => !\is_int($data))->thenInvalid('The value %s is not a valid integer')
             ->end()
             ->end()
             ->scalarNode('label')