[Backport release-26.05] diffoscope: add mdaniels5757 as co-maintainer (#531892)

pkgs/by-name/di/diffoscope/package.nix

@@ -344,6 +344,7 @@ python.pkgs.buildPythonApplication rec {
     license = lib.licenses.gpl3Plus;
     maintainers = with lib.maintainers; [
       danielfullmer
+      mdaniels5757
       raitobezarius
     ];
     platforms = lib.platforms.unix;