Merge branch '5.1' into 5.x

* 5.1:
  Enhancement: New rule - no_brackets_in_method_directive

Author: OskarStark

.doctor-rst.yaml

@@ -18,6 +18,7 @@ rules:
     no_blank_line_after_filepath_in_twig_code_block: ~
     no_blank_line_after_filepath_in_xml_code_block: ~
     no_blank_line_after_filepath_in_yaml_code_block: ~
+    no_brackets_in_method_directive: ~
     no_composer_req: ~
     no_explicit_use_of_code_block_php: ~
     no_inheritdoc: ~