Update README.md

Author: slaclau

README.md

@@ -4,7 +4,7 @@ Gnome Shell extension that adds a hibernate/hybrid suspend button in Status menu
 
 Originally developed by [@arelange](https://github.com/arelange) and then [@p91paul](https://github.com/p91paul). Now maintained by [@slaclau](https://github.com/slaclau).
 
-Supports GNOME 45.
+Supports GNOME 45 and 46.
 
 ## FAQ