ci: use package x11-servers/xwayland instead of x11-servers/xwayland-devel

Author: Billli11

.builds/freebsd.yml

@@ -27,7 +27,7 @@ packages:
 - x11/libX11
 - x11/pixman
 - x11/xcb-util-wm
-- x11-servers/xwayland-devel
+- x11-servers/xwayland
 - misc/hwdata
 sources:
 - https://github.com/swaywm/sway