composer update

vendor/symfony/finder/.gitattributes

@@ -1,3 +0,0 @@
-/Tests export-ignore
-/phpunit.xml.dist export-ignore
-/.gitignore export-ignore

vendor/symfony/finder/Finder.php

@@ -440,7 +440,7 @@ class Finder implements \IteratorAggregate, \Countable
      */
     public function sortByName(/* bool $useNaturalSort = false */)
     {
-        if (\func_num_args() < 1 && __CLASS__ !== \get_class($this) && __CLASS__ !== (new \ReflectionMethod($this, __FUNCTION__))->getDeclaringClass()->getName() && !$this instanceof \PHPUnit\Framework\MockObject\MockObject && !$this instanceof \Prophecy\Prophecy\ProphecySubjectInterface) {
+        if (\func_num_args() < 1 && __CLASS__ !== static::class && __CLASS__ !== (new \ReflectionMethod($this, __FUNCTION__))->getDeclaringClass()->getName() && !$this instanceof \PHPUnit\Framework\MockObject\MockObject && !$this instanceof \Prophecy\Prophecy\ProphecySubjectInterface) {
             @trigger_error(sprintf('The "%s()" method will have a new "bool $useNaturalSort = false" argument in version 5.0, not defining it is deprecated since Symfony 4.2.', __METHOD__), E_USER_DEPRECATED);
         }
         $useNaturalSort = 0 < \func_num_args() && func_get_arg(0);
@@ -797,6 +797,10 @@ class Finder implements \IteratorAggregate, \Countable
      */
     private function normalizeDir(string $dir): string
     {
+        if ('/' === $dir) {
+            return $dir;
+        }
+
         $dir = rtrim($dir, '/'.\DIRECTORY_SEPARATOR);
 
         if (preg_match('#^(ssh2\.)?s?ftp://#', $dir)) {

vendor/symfony/finder/Iterator/RecursiveDirectoryIterator.php

@@ -70,7 +70,11 @@ class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator
         }
         $subPathname .= $this->getFilename();
 
-        return new SplFileInfo($this->rootPath.$this->directorySeparator.$subPathname, $this->subPath, $subPathname);
+        if ('/' !== $basePath = $this->rootPath) {
+            $basePath .= $this->directorySeparator;
+        }
+
+        return new SplFileInfo($basePath.$subPathname, $this->subPath, $subPathname);
     }
 
     /**

vendor/symfony/finder/LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2019 Fabien Potencier
+Copyright (c) 2004-2020 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal