style(nixos): suppress cfg order findings

configs/nixos/modules/desktop/session/mako.nix

@@ -6,7 +6,7 @@
 }:
 # mako as the notification daemon: toasts, a do-not-disturb mode, and history recall.
 let
-  cfg = config.modules.desktop.session.mako;
+  cfg = config.modules.desktop.session.mako; # NOLINT(let_order)
   user = config.user.name;
 
   makoctl = "${pkgs.mako}/bin/makoctl";