Run new version of php-cs-fixer against code

Author: oschwald

src/MaxMind/Db/Reader/InvalidDatabaseException.php

@@ -7,6 +7,5 @@
 /**
  * This class should be thrown when unexpected data is found in the database.
  */
-class InvalidDatabaseException extends \Exception
-{
-}
+// phpcs:disable
+class InvalidDatabaseException extends \Exception {}