Increase default Wayland buffer size

The buffer size matches the one used in other compositors, e.g.:

- https://gitlab.gnome.org/GNOME/mutter/-/blob/49.4/src/wayland/meta-wayland.c?ref_type=tags#L970-971

Cargo.toml

@@ -94,6 +94,7 @@ tracing.workspace = true
 tracy-client.workspace = true
 wayland-backend = "0.3.14"
 wayland-scanner = "0.31.9"
+wayland-server = { version = "0.31.12", features = ["libwayland_1_23"] }
 xcursor = "0.3.10"
 zbus = { version = "5.13.2", optional = true }