Remove the vendor directory in .gitignore as these dependencies are needed for php-imap

plugins/php-imap/vendor/symfony/http-foundation/Test/Constraint/RequestAttributeValueSame.php

@@ -0,0 +1,48 @@
+<?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\HttpFoundation\Test\Constraint;
+
+use PHPUnit\Framework\Constraint\Constraint;
+use Symfony\Component\HttpFoundation\Request;
+
+final class RequestAttributeValueSame extends Constraint
+{
+    private string $name;
+    private string $value;
+
+    public function __construct(string $name, string $value)
+    {
+        $this->name = $name;
+        $this->value = $value;
+    }
+
+    public function toString(): string
+    {
+        return sprintf('has attribute "%s" with value "%s"', $this->name, $this->value);
+    }
+
+    /**
+     * @param Request $request
+     */
+    protected function matches($request): bool
+    {
+        return $this->value === $request->attributes->get($this->name);
+    }
+
+    /**
+     * @param Request $request
+     */
+    protected function failureDescription($request): string
+    {
+        return 'the Request '.$this->toString();
+    }
+}