update pins

flakes/common/nix_modules/timezone_auto.nix

@@ -4,4 +4,14 @@
 {
   time.timeZone = null;
   services.automatic-timezoned.enable = true;
+
+    # Add a polkit rule so automatic-timezoned can change timezone
+  security.polkit.extraConfig = ''
+    polkit.addRule(function(action, subject) {
+      if (action.id == "org.freedesktop.timedate1.set-timezone" &&
+          subject.isInGroup("wheel")) {
+        return polkit.Result.YES;
+      }
+    });
+  '';
 }