Update extension to version 16

Author: JoseExposito

metadata.json

@@ -2,7 +2,7 @@
   "name": "X11 Gestures",
   "description": "Enable GNOME Shell multi-touch gestures on X11.\nRequires Touchégg https://github.com/JoseExposito/touchegg#readme",
   "uuid": "[email protected]",
-  "version": 15,
+  "version": 16,
   "url": "https://github.com/JoseExposito/gnome-shell-extension-x11gestures",
   "shell-version": [
     "3.36",