gtkmm4: 4.18.0 → 4.19.1

https://gitlab.gnome.org/GNOME/gtkmm/-/compare/4.18.0...4.19.1

Changelog-Reviewed-By: Jan Tojnar <jtojnar@gmail.com>

pkgs/development/libraries/gtkmm/4.x.nix

@@ -19,7 +19,7 @@
 
 stdenv.mkDerivation rec {
   pname = "gtkmm";
-  version = "4.18.0";
+  version = "4.19.1";
 
   outputs = [
     "out"
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtkmm/${lib.versions.majorMinor version}/gtkmm-${version}.tar.xz";
-    hash = "sha256-LuMcFUefxNjpWLA8i1+7yOF7wSLCovVESXtOBWGeM+w=";
+    hash = "sha256-K0Q9378M8oxL7ORHpbumICjEnfRcyxs/Q4o6PgvKMao=";
   };
 
   nativeBuildInputs = [