Merge pull request #254058 from wegank/zint-platforms

zint: set platforms

pkgs/development/libraries/zint/default.nix

···
     changelog = "https://github.com/zint/zint/blob/${version}/ChangeLog";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ azahi ];
+    platforms = platforms.all;
   };
 }