Fix credits for Quarto extension

LICENSE

 MIT License
 
-Copyright © 2020–2022 Bruno BEAUFILS and contributors.
+Copyright © 2020–2022 Bruno BEAUFILS, 2022 Sam Edwardes.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

_extensions/include-code-files/_extension.yml

 name: include-code-files
-author: Bruno BEAUFILS
+author: Sam Edwardes
 version: 1.0.0
+quarto-required: ">=1.2.0"
 contributes:
   filters:
     - include-code-files.lua