wayland-protocols: upgrade 1.22 -> 1.23

wayland-protocols 1.23 is now available.

This release adds the new gesture "hold" to the pointer gesture protocol.

https://lists.freedesktop.org/archives/wayland-devel/2021-September/041979.html



Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>