fix(nixos): retain Gitea LXC routes

configs/nixos/modules/network/ssh.nix

@@ -33,9 +33,10 @@ let
   });
 
   extraTargets = {
-    # TODO: Pin Gitea's host key after deploying its Pikachu guest.
+    # TODO: Pin Gitea's host key after migrating it from Proxmox.
     gitea = {
       hostName = "git.alexion.dev";
+      port = 2022;
       user = "gitea";
       aliases = [
         "gitea"