Support privacy-enhanced youtube url (-nocookie version) for video shortcode (#4062)

* Support privacy-enhanced youtube url (-nocookie version) for video shortcode

* Add to changelog

[skip ci]

Author: cderv

news/changelog-1.3.md

@@ -117,6 +117,7 @@
 - ensure proof titles are appended to paragraph nodes ([#3772](https://github.com/quarto-dev/quarto-cli/issues/3772)).
 - Support parsing markdown in table captions in LaTeX and HTML tables ([#2573](https://github.com/quarto-dev/quarto-cli/issues/2573)).
 - Improve parsing of include shortcodes ([#3159](https://github.com/quarto-dev/quarto-cli/issues/3159)).
+- Add support for Youtube privacy-enhanced urls in `video` shortcodes ([#4060](https://github.com/quarto-dev/quarto-cli/issues/4060)).
 
 ## Pandoc filter changes
 

src/resources/extensions/quarto/video/video.lua

@@ -68,6 +68,7 @@ local youTubeBuilder = function(params)
   if not (params and params.src) then return nil end
   local src = params.src
   match = checkEndMatch(src, 'https://www.youtube.com/embed/')
+  match = match or checkEndMatch(src, 'https://www.youtube%-nocookie.com/embed/')
   match = match or checkEndMatch(src, 'https://youtu.be/')
   match = match or string.match(src, '%?v=(.-)&')
   match = match or string.match(src, '%?v=(.-)$')