chore: Fix deprecations for symfony 6 and php8.2

Author: aszenz

Command/DumpSchemaCommand.php

@@ -6,6 +6,7 @@
 
 use GraphQL\Type\Definition\TypeWithFields;
 use GraphQL\Utils\SchemaPrinter;
+use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
@@ -16,10 +17,9 @@
 /**
  * Shamelessly stolen from Api Platform
  */
+#[AsCommand('graphqlite:dump-schema')]
 class DumpSchemaCommand extends Command
 {
-    protected static $defaultName = 'graphqlite:dump-schema';
-
     /**
      * @var Schema
      */

DependencyInjection/Configuration.php

@@ -8,6 +8,9 @@
 
 class Configuration implements ConfigurationInterface
 {
+    /**
+     * @return TreeBuilder
+     */
     public function getConfigTreeBuilder()
     {
         $treeBuilder = new TreeBuilder('graphqlite');

GraphiQL/EndpointResolver.php

@@ -19,6 +19,9 @@ public function __construct(RequestStack $requestStack)
         $this->requestStack = $requestStack;
     }
 
+    /**
+     * @return string
+     */
     public function getBySchema($name)
     {
         if ('default' === $name) {
@@ -31,6 +34,9 @@ public function getBySchema($name)
         throw GraphQLEndpointInvalidSchemaException::forSchemaAndResolver($name, self::class);
     }
 
+    /**
+     * @return string
+     */
     public function getDefault()
     {
         return $this->getBySchema('default');