update phpstan and php-cs-fixer tools

src/module/phpcsfixer/phpcsfixer.rules.php

@@ -14,7 +14,6 @@
 $finder = PhpCsFixer\Finder::create()
     ->exclude('node_modules')
     ->exclude('vendor')
-    ->exclude('libs')
     ->in(__DIR__);
 
 /** @phpstan-ignore-next-line */
@@ -51,5 +50,8 @@ return $config
         'phpdoc_trim'                           => true,
         'single_quote'                          => true,
         'trim_array_spaces'                     => true,
+
+        //'no_multiline_whitespace_around_double_arrow' => true,
+        //'use_arrow_functions'                         => true,
     ])
     ->setFinder($finder);