updated composer

vendor/symfony/css-selector/LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2020 Fabien Potencier
+Copyright (c) 2004-2021 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

vendor/symfony/css-selector/Parser/Parser.php

@@ -31,7 +31,7 @@ class Parser implements ParserInterface
 
     public function __construct(Tokenizer $tokenizer = null)
     {
-        $this->tokenizer = $tokenizer ?: new Tokenizer();
+        $this->tokenizer = $tokenizer ?? new Tokenizer();
     }
 
     /**
@@ -84,7 +84,7 @@ class Parser implements ParserInterface
         }
 
         $split = explode('n', $joined);
-        $first = isset($split[0]) ? $split[0] : null;
+        $first = $split[0] ?? null;
 
         return [
             $first ? ('-' === $first || '+' === $first ? $int($first.'1') : $int($first)) : 1,

vendor/symfony/css-selector/XPath/Translator.php

@@ -50,7 +50,7 @@ class Translator implements TranslatorInterface
 
     public function __construct(ParserInterface $parser = null)
     {
-        $this->mainParser = $parser ?: new Parser();
+        $this->mainParser = $parser ?? new Parser();
 
         $this
             ->registerExtension(new Extension\NodeExtension())

vendor/symfony/css-selector/composer.json

@@ -1,7 +1,7 @@
 {
     "name": "symfony/css-selector",
     "type": "library",
-    "description": "Symfony CssSelector Component",
+    "description": "Converts CSS selectors to XPath expressions",
     "keywords": [],
     "homepage": "https://symfony.com",
     "license": "MIT",