upgrade to laravel 7 and set branch to v2

vendor/phpunit/php-token-stream/src/Namespace.php

@@ -0,0 +1,31 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-token-stream.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class PHP_Token_NAMESPACE extends PHP_TokenWithScope
+{
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        $tokens    = $this->tokenStream->tokens();
+        $namespace = (string) $tokens[$this->id + 2];
+
+        for ($i = $this->id + 3;; $i += 2) {
+            if (isset($tokens[$i]) &&
+                $tokens[$i] instanceof PHP_Token_NS_SEPARATOR) {
+                $namespace .= '\\' . $tokens[$i + 1];
+            } else {
+                break;
+            }
+        }
+
+        return $namespace;
+    }
+}