Merge pull request 'users: disable password login for users in @wheel' (!62) from fix-deploy into main

Reviewed-on: #62
Reviewed-by: Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>

base.nix

@@ -80,6 +80,9 @@
     enable = true;
     extraConfig = ''
       PubkeyAcceptedAlgorithms=+ssh-rsa
+      Match Group wheel
+        PasswordAuthentication no
+      Match All
     '';
     settings.PermitRootLogin = "yes";
   };