updated video

Author: Lorin

docs/docs/software-help/help-qgis/qgis-uploader.mdx

@@ -91,6 +91,6 @@ Click `View in Data Exchange` to see your project online.
 
 ## Video Demonstration
 
-This video demonstrates uploading in an older version of the Viewer. A new video is coming soon.
+This video demonstrates uploading a project to the Data Exchange using the Viewer (ver 1.1 / 2026-February).
 
-<YouTubeEmbed videoId="Rs6RnAHAsNY?si=pj7B50YYxs7swcZC"/>
+<YouTubeEmbed videoId="itc7YQbW2IY?si=K7q7wVnk1EZJa42V"/>