config/sway/config: disable sticky drag lock

Tap-and-drag lock switched to sticky by default in Sway 1.11 and I
don't like it.

See: https://github.com/swaywm/sway/releases/tag/1.11

dotfiles/config/sway/config

@@ -95,6 +95,7 @@ input type:touchpad {
     # note that DWT only works for internal touchpads (see libinput issue #524)
     dwt enabled
     tap enabled
+    drag_lock enabled
     natural_scroll enabled
     middle_emulation enabled
 }