Use Symfony/HttpClient instead of Guzzle

src/DataFixtures/ImageFetchFixtures.php

@@ -7,10 +7,10 @@ namespace Bolt\DataFixtures;
 use Bolt\Configuration\FileLocations;
 use Doctrine\Bundle\FixturesBundle\FixtureGroupInterface;
 use Doctrine\Common\Persistence\ObjectManager;
-use GuzzleHttp\Client;
 use Illuminate\Support\Collection;
 use Symfony\Component\Console\Helper\ProgressBar;
 use Symfony\Component\Console\Output\ConsoleOutput;
+use Symfony\Component\HttpClient\HttpClient;
 
 class ImageFetchFixtures extends BaseFixture implements FixtureGroupInterface
 {
@@ -67,9 +67,10 @@ class ImageFetchFixtures extends BaseFixture implements FixtureGroupInterface
             $url = $this->urls->random() . random_int(10000, 99999);
             $filename = 'image_' . random_int(10000, 99999) . '.jpg';
 
-            $client = new Client();
+            $client = HttpClient::create();
             $resource = fopen($outputPath . $filename, 'w');
-            $client->request('GET', $url, ['sink' => $resource]);
+            fwrite($resource, $client->request('GET', $url)->getContent());
+            fclose($resource);
 
             $progressBar->advance();
         }