Fix CI status link in README.md

Author: MightyCreak

README.md

@@ -10,7 +10,7 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/MightyCreak/diffuse/actions/workflows/main.yml">
+  <a href="https://github.com/MightyCreak/diffuse/actions/workflows/ci.yml">
     <img src="https://github.com/MightyCreak/diffuse/actions/workflows/ci.yml/badge.svg" alt="CI status"/>
   </a>
   <a href="https://repology.org/project/diffuse/versions">