Update readme.md

Author: tadghh

readme.md

@@ -5,7 +5,7 @@
 
 Allows you to **set** the **transparency** of programs on **Windows**
 
-<a href="https://github.com/tadghh/transparent-windows/releases/tag/v1.2.8">
+<a href="https://github.com/tadghh/transparent-windows/releases/tag/v1.2.9">
 <img alt="download" src="https://img.shields.io/badge/Download-%3E-brightgreen">
 </a>
 </div>