Update inputs and add custom NixOS branding

nixos/modules/common.nix

@@ -1,7 +1,7 @@
 { lib, pkgs, pkgs', inputs, config, ... }:
 let
   inherit (lib) mkIf mkDefault mkMerge;
-  inherit (lib.my) mkBoolOpt' dummyOption;
+  inherit (lib.my) mkDefault';
 in
 {
   options = with lib.types; {
@@ -151,6 +151,7 @@ in
               font-name=SauceCodePro Nerd Font Mono
             '';
         };
+        getty.greetingLine = mkDefault' ''<<< Welcome to ${config.system.nixos.distroName} ${config.system.nixos.label} (\m) - \l >>>'';
 
         openssh = {
           enable = mkDefault true;