Change demo image link to raw GitHub URL

Updated demo image link to use raw GitHub URL.

Author: shrsv

docs/releases/v0.3.4.md

@@ -15,7 +15,7 @@ as red for risks, to make important signals easier to spot quickly.
 
 Here's a demo of how it works:
 
-![demo](./img/v034-demo2.gif)
+![demo](https://raw.githubusercontent.com/HexmosTech/git-lrc/refs/heads/main/docs/releases/img/v034-demo2.gif)
 
 
 ## Install and Update