Composer deps update

vendor/symfony/process/Tests/KillableProcessWithOutput.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+$outputs = array(
+    'First iteration output',
+    'Second iteration output',
+    'One more iteration output',
+    'This took more time',
+);
+
+$iterationTime = 10000;
+
+foreach ($outputs as $output) {
+    usleep($iterationTime);
+    $iterationTime *= 10;
+    echo $output."\n";
+}