Support netlify PR previews in publish action

[cderv]

Our publish should support deploying to preview website for PR previews. This is possible using netlify API with a specific action, so we should be able to make that possible.

Other solutions currently requires

• Using git integration and quarto netlify plug-in
• using git integration, rendering locally and auto deploy the committed output
• using quarto render action and an existing Netlify deploy action.

[mcanouil]

FYI, this is my workflow from main: https://github.com/mcanouil/mickael.canouil.fr/blob/main/.github/workflows/render.yml.

(And for an ongoing PR, the commands GHA: https://github.com/mcanouil/mickael.canouil.fr/blob/main/.github/workflows/pr-commands.yml)