chore(namespace): rewirtten namspeace from app to GitContributionGraph.

src/Controller/GraphController.php

@@ -2,11 +2,11 @@
 
 declare(strict_types=1);
 
-namespace App\Controller;
+namespace GitContributionGraph\Controller;
 
-use App\Service\ContributionAggregator;
-use App\Service\Provider\ProviderHealthChecker;
-use App\Service\Renderer\SvgRenderer;
+use GitContributionGraph\Service\ContributionAggregator;
+use GitContributionGraph\Service\Provider\ProviderHealthChecker;
+use GitContributionGraph\Service\Renderer\SvgRenderer;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\HttpFoundation\RedirectResponse;