The Plugin Manager with Notepad++ is not pulling in the latest version of Bookmarks Dook. Instead you should monitor this GitHub for updated releases.
https://github.com/Dook1/Bookmarks-Dook/releases/latest
Download the appropriate ZIP folder based on your version of Notepad++ 32 vs 64.
Follow this GitHub repository. If you click Watch then you can choose the appropriate drop down to follow.
Tutorial video from cricrazy - https://youtu.be/QZH-wxHtpwI?t=327