Merge pull request #154988 from veprbl/pr/broken_gplates

gplates: mark as broken on darwin

pkgs/applications/science/misc/gplates/default.nix

···
 { lib
+, stdenv
 , mkDerivation
 , fetchurl
 , cmake
···
     homepage = "https://www.gplates.org";
     license = licenses.gpl2Only;
     platforms = platforms.all;
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/gplates.x86_64-darwin
   };
 }