wayland: add provide for wayland-scanner program

Upstream has a meson.override_find_program() for it.

Also switch to dependency_names.

Author: bgilbert

releases.json

@@ -4433,7 +4433,11 @@
       "wayland-egl",
       "wayland-server"
     ],
+    "program_names": [
+      "wayland-scanner"
+    ],
     "versions": [
+      "1.24.0-2",
       "1.24.0-1",
       "1.23.1-1",
       "1.23.0-1",

subprojects/wayland.wrap

@@ -5,7 +5,5 @@ source_filename = wayland-1.24.0.tar.xz
 source_hash = 82892487a01ad67b334eca83b54317a7c86a03a89cfadacfef5211f11a5d0536
 
 [provide]
-wayland-cursor = wayland_cursor_dep
-wayland-egl = wayland_egl_dep
-wayland-server = wayland_server_dep
-wayland-client = wayland_client_dep
+dependency_names = wayland-client, wayland-cursor, wayland-egl, wayland-server
+program_names = wayland-scanner