Merge pull request #3529 from krsch/master

phan: add filename to output

test/handler/test_php_phan_handler.vader

@@ -11,11 +11,13 @@ Execute(The php static analyzer handler should parse errors from phan):
   \     'lnum': 25,
   \     'type': 'W',
   \     'text': 'Return type of getValidator is undeclared type \Respect\Validation\Validator',
+  \     'filename': 'example.php',
   \   },
   \   {
   \     'lnum': 66,
   \     'type': 'W',
   \     'text': 'Call to method string from undeclared class \Respect\Validation\Validator',
+  \     'filename': 'example.php',
   \   },
   \ ],
   \ ale_linters#php#phan#Handle(347, [