Update cs-fixer to 3.x (#10)

Author: marmichalski

.php_cs .php-cs-fixer.php.php_cs renamed to .php-cs-fixer.php

@@ -1,16 +1,17 @@
 <?php
 
-return PhpCsFixer\Config::create()
+$config = new PhpCsFixer\Config();
+
+return $config
     ->setRules([
         '@PSR2' => true,
         'array_syntax' => ['syntax' => 'short'],
-        'binary_operator_spaces' => ['align_double_arrow' => false, 'align_equals' => false],
         'blank_line_after_opening_tag' => true,
-        'blank_line_before_return' => true,
+        'class_attributes_separation' => ['elements' => ['method' => 'one']],
         'cast_spaces' => true,
         'concat_space' => ['spacing' => 'none'],
         'declare_strict_types' => true,
-        'method_separation' => true,
+        'increment_style' => ['style' => 'pre'],
         'native_function_invocation' => ['include' => ['@all'], 'strict' => false],
         'no_blank_lines_after_class_opening' => true,
         'no_spaces_around_offset' => ['positions' => ['inside', 'outside']],
@@ -19,15 +20,14 @@
         'phpdoc_align' => true,
         'phpdoc_no_access' => true,
         'phpdoc_separation' => true,
-        'pre_increment' => true,
         'single_quote' => true,
         'trim_array_spaces' => true,
         'single_blank_line_before_namespace' => true
     ])
     ->setFinder(
         PhpCsFixer\Finder::create()
-            ->in(__DIR__ . '/src')
-            ->in(__DIR__ . '/tests')
+            ->in(__DIR__.'/src')
+            ->in(__DIR__.'/tests')
     )
     ->setRiskyAllowed(true)
     ->setUsingCache(false)

composer.json

@@ -9,7 +9,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.3",
-        "friendsofphp/php-cs-fixer": "^2.16",
+        "friendsofphp/php-cs-fixer": "^3.1",
         "phpstan/phpstan": "^0.12.47",
         "phpstan/phpstan-phpunit": "^0.12.16"
     },