fix: move gortium passwordFile to shared user module (applies to all hosts)

users/gortium/gortium.nix

@@ -11,6 +11,7 @@
     ];
     shell = pkgs.zsh;
     openssh.authorizedKeys.keys = [
+    passwordFile = config.age.secrets.gortium_password.path;
       keys.users.gortium.main
     ];
   };