Update codedex-update-february-2025.mdx

Author: sonnynomnom

blogs/codedex-update-february-2025.mdx

@@ -32,7 +32,7 @@ So we created our own AI version!
 
 #### 🦠 Node.js Course
 
-![Notifications](https://i.imgur.com/QDC4gWZ.png)
+![Node.js Course](https://i.imgur.com/SJGeMMh.gif)
 
 We redesigned our Project Showcase to feel more like a showcase (switched to a gallery-style presentation that emphasized each project’s cover image while making it clear how to filter by project tags). Added Staff Picks, too!