dunst: update to new syntax

.config/dunst/dunstrc

@@ -27,13 +27,13 @@
     width = 300
 
     # The maximum height of a single notification, excluding the frame.
-    height = 300
+    height = (0, 300)
 
     # Position the notification in the top right corner
     origin = top-right
 
     # Offset from the origin
-    offset = 0x26
+    offset = (0, 26)
 
     # Scale factor. It is auto-detected if value is 0.
     scale = 0