Update php cs fixer config

Author: Seldaek

.php-cs-fixer.php

@@ -33,7 +33,7 @@
         'no_empty_statement' => true,
         'no_extra_blank_lines' => true,
         'no_leading_namespace_whitespace' => true,
-        'no_trailing_comma_in_singleline_array' => true,
+        'no_trailing_comma_in_singleline' => true,
         'no_whitespace_in_blank_line' => true,
         'object_operator_without_whitespace' => true,
         //'phpdoc_align' => true,
@@ -47,7 +47,7 @@
         'phpdoc_trim' => true,
         'phpdoc_types' => true,
         'psr_autoloading' => true,
-        'single_blank_line_before_namespace' => true,
+        'blank_lines_before_namespace' => true,
         'standardize_not_equals' => true,
         'ternary_operator_spaces' => true,
         'trailing_comma_in_multiline' => ['elements' => ['arrays']],