68a8164a3e
Sync the tracked source tree to the wayland-protocols 1.49 release tarball already pinned in recipe.toml (blake3-verified). Upstream 1.49 drops the pkg-config .pc.in files, switches scanner discovery to a native wayland-scanner dependency with fallback, and adds the new stable/staging protocol XMLs (ext-image-*, xdg-toplevel-icon, cursor-shape, content-type, alpha-modifier, ...).