fix update script fqdn

hosts/auth/authentik.nix

@@ -42,6 +42,13 @@
     };
   };
 
+  systemd.services.authentik-secrets-generator = {
+    enable = true;
+    requiredBy = [ "authentik-secrets-setup.service" "authentik-worker.service" ];
+    script = ''
+      echo "AUTHENTIK_SECRET_KEY=$(${pkgs.openssl}/bin/openssl rand -hex 32)" > /var/lib/authentik_secret
+    '';
+  };
 
   services.nginx = {
     enable = true;