rauc: 1.13 -> 1.14, enable composefs

Release Notes: https://pengutronix.de/de/blog/2025-04-09-rauc-v1-14-released.html

pkgs/by-name/ra/rauc/package.nix

···
 {
+  composefs,
   curl,
   dbus,
   fetchFromGitHub,
···
 
 stdenv.mkDerivation rec {
   pname = "rauc";
-  version = "1.13";
+  version = "1.14";
 
   src = fetchFromGitHub {
     owner = "rauc";
     repo = "rauc";
     rev = "v${version}";
-    sha256 = "sha256-Vq1dudB8OQveclAIVgiB8jbtp4o2Ga5v61Y6JUjOpbs=";
+    sha256 = "sha256-tpynDSCQ8E5DE82BvIJ2lEmwFQQpyYkV9UqjKKlArpw=";
   };
 
   passthru = {
···
   ];
 
   buildInputs = [
+    composefs
     curl
     dbus
     glib
···
 
   mesonFlags = [
     "--buildtype=release"
+    (lib.mesonEnable "composefs" true)
     (lib.mesonOption "systemdunitdir" "${placeholder "out"}/lib/systemd/system")
     (lib.mesonOption "dbusinterfacesdir" "${placeholder "out"}/share/dbus-1/interfaces")
     (lib.mesonOption "dbuspolicydir" "${placeholder "out"}/share/dbus-1/system.d")