gdk-wayland: Bump wayland crate deps

Author: bilelmoussaoui

gdk4-wayland/Cargo.toml

@@ -31,8 +31,8 @@ gdk = {path = "../gdk4", package = "gdk4", version = "0.8"}
 gio = {git = "https://github.com/gtk-rs/gtk-rs-core", version = "0.19", features = ["v2_66"]}
 glib = {git = "https://github.com/gtk-rs/gtk-rs-core", version = "0.19", features = ["v2_66"]}
 libc = "0.2"
-wayland-client = {version = "0.30.0", optional = true}
-wayland-backend = {version = "0.1.0", optional = true, features = ["client_system"]}
+wayland-client = {version = "0.31.0", optional = true}
+wayland-backend = {version = "0.3.0", optional = true, features = ["client_system"]}
 khronos-egl = {version = "6.0", optional = true}
 xkb = {version = "0.3", optional = true}