Screenshots in Multiple resolutions page needs to be updated

**Your Godot version:** v4.1.1.stable.official [bd6af8e0e]

**Issue description:**
Editor screenshots on this page are outdated for Godot 4. I glanced through the text and that seems up to date.

**URL to the documentation page:** https://docs.godotengine.org/en/stable/tutorials/rendering/multiple_resolutions.html