rootston module, orbment/bemenu: change my maintainership

nixos/modules/programs/rootston.nix

···
     programs.dconf.enable = mkDefault true;
   };
 
-  meta.maintainers = with lib.maintainers; [ primeos ];
+  meta.maintainers = with lib.maintainers; [ primeos gnidorah ];
 }

pkgs/applications/window-managers/orbment/bemenu.nix

···
     description = "A dynamic menu library and client program inspired by dmenu";
     homepage = src.meta.homepage;
     license = with licenses; [ gpl3 lgpl3 ];
-    maintainers = with maintainers; [ gnidorah ];
     platforms = platforms.linux;
   };
 }