nixos/unifi, unifi: add pennae to maintainers

nixos/modules/services/networking/unifi.nix

···
 
   };
 
-  meta.maintainers = with lib.maintainers; [ erictapen ];
+  meta.maintainers = with lib.maintainers; [ erictapen pennae ];
 }

pkgs/servers/unifi/default.nix

···
       description = "Controller for Ubiquiti UniFi access points";
       license = licenses.unfree;
       platforms = platforms.unix;
-      maintainers = with maintainers; [ erictapen globin patryk27 ];
+      maintainers = with maintainers; [ erictapen globin patryk27 pennae ];
     };
   };