Update Documentation.app/Contents/MacOS/Legal.playground/Pages/License.xcplaygroundpage/Contents.swift

Co-Authored-By: Miguel Ángel Díaz <madiaz.dev@gmail.com>

Author: truizlop

Documentation.app/Contents/MacOS/Legal.playground/Pages/License.xcplaygroundpage/Contents.swift

@@ -7,7 +7,7 @@
 /*:
  # License
 
- Copyright 2018 The Bow OpenAPI Authors
+ Copyright 2019 The Bow OpenAPI Authors
 
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.