do a small amount of refactoring, change versions to 25.11, and make a systemd unit to upgrade nextcloud daily on queen

nixos/hosts/queen/configuration.nix

@@ -3,6 +3,7 @@
   outputs,
   lib,
   pkgs,
+  config,
   ...
 }: {
   imports = [
@@ -90,6 +91,30 @@
     enable = false;
   };
 
+  systemd = {
+    services."upgrade-nextcloud" = {
+      path = with pkgs; [nextcloud31];
+      enable = true;
+      unitConfig = {
+        after = "nextcloud-setup.service";
+      };
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${config.services.nextcloud.occ}/bin/nextcloud-occ upgrade";
+        RemainAfterExit = "yes";
+      };
+    };
+
+    timers."upgrade-nextcloud" = {
+      wantedBy = ["timers.target"];
+      partOf = ["upgrade-nextcloud.service"];
+      timerConfig = {
+        OnCalendar = "daily";
+        Unit = "nextcloud-setup.service";
+      };
+    };
+  };
+
   networking = {
     domain = "";
 
@@ -192,5 +217,5 @@
   };
 
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
-  system.stateVersion = "25.05";
+  system.stateVersion = "25.11";
 }