[mutter] meson: Bump wayland-protocols to version 1.23

[Marge Bot <marge-bot src gnome org>]

commit b241d32916bba09aa210fb431f5c0ce94ed95e4c
Author: José Expósito <jose exposito89 gmail com>
Date:   Wed Sep 15 18:03:38 2021 +0200

    meson: Bump wayland-protocols to version 1.23
    
    This release adds hold gestures to the pointer gesture protocol.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1830>

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 5043a759b8..c9e57c8126 100644
--- a/meson.build
+++ b/meson.build
@@ -42,7 +42,7 @@ gudev_req = '>= 232'
 
 # wayland version requirements
 wayland_server_req = '>= 1.18'
-wayland_protocols_req = '>= 1.21'
+wayland_protocols_req = '>= 1.23'
 
 # native backend version requirements
 libinput_req = '>= 1.19.0'