gtkmm4: 4.17.0 → 4.18.0

https://gitlab.gnome.org/GNOME/gtkmm/-/compare/4.17.0...4.18.0

Changelog-Reviewed-By: Jan Tojnar <[e-mail]>

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

···
 
 stdenv.mkDerivation rec {
   pname = "gtkmm";
-  version = "4.17.0";
+  version = "4.18.0";
 
   outputs = [
     "out"
···
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    hash = "sha256-rYLA8idPXLVrQRTk3ByS12/SEoYMi78uC+wPRJ1JJQo=";
+    hash = "sha256-LuMcFUefxNjpWLA8i1+7yOF7wSLCovVESXtOBWGeM+w=";
   };
 
   nativeBuildInputs = [