Upgrade flake.lock dependencies, add port 5173

- Bump revisions, nar hashes, and timestamps for several locked
  packages:
  firefox‑addons, home‑manager, nix‑flatpak, nixpkgs, noctalia‑shell,
  stylix.
- Extend allowedTCPPorts and allowedUDPPorts in network.nix
  to include port 5173.

modules/core/network.nix

@@ -23,6 +23,7 @@
         22
         80
         443
+        5173
         59010
         59011
         8080
@@ -34,6 +35,7 @@
         }
       ];
       allowedUDPPorts = [
+        5173
         5353
         54925
         59010