Upgrade framework

vendor/symfony/process/Exception/ExceptionInterface.php

@@ -16,6 +16,6 @@ namespace Symfony\Component\Process\Exception;
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-interface ExceptionInterface
+interface ExceptionInterface extends \Throwable
 {
 }

vendor/symfony/process/Exception/ProcessSignaledException.php

@@ -0,0 +1,41 @@
+<?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.
+ */
+
+namespace Symfony\Component\Process\Exception;
+
+use Symfony\Component\Process\Process;
+
+/**
+ * Exception that is thrown when a process has been signaled.
+ *
+ * @author Sullivan Senechal <soullivaneuh@gmail.com>
+ */
+final class ProcessSignaledException extends RuntimeException
+{
+    private $process;
+
+    public function __construct(Process $process)
+    {
+        $this->process = $process;
+
+        parent::__construct(sprintf('The process has been signaled with signal "%s".', $process->getTermSignal()));
+    }
+
+    public function getProcess(): Process
+    {
+        return $this->process;
+    }
+
+    public function getSignal(): int
+    {
+        return $this->getProcess()->getTermSignal();
+    }
+}

vendor/symfony/process/Exception/ProcessTimedOutException.php

@@ -20,13 +20,13 @@ use Symfony\Component\Process\Process;
  */
 class ProcessTimedOutException extends RuntimeException
 {
-    const TYPE_GENERAL = 1;
-    const TYPE_IDLE = 2;
+    public const TYPE_GENERAL = 1;
+    public const TYPE_IDLE = 2;
 
     private $process;
     private $timeoutType;
 
-    public function __construct(Process $process, $timeoutType)
+    public function __construct(Process $process, int $timeoutType)
     {
         $this->process = $process;
         $this->timeoutType = $timeoutType;
@@ -45,12 +45,12 @@ class ProcessTimedOutException extends RuntimeException
 
     public function isGeneralTimeout()
     {
-        return $this->timeoutType === self::TYPE_GENERAL;
+        return self::TYPE_GENERAL === $this->timeoutType;
     }
 
     public function isIdleTimeout()
     {
-        return $this->timeoutType === self::TYPE_IDLE;
+        return self::TYPE_IDLE === $this->timeoutType;
     }
 
     public function getExceededTimeout()