fix CI failure

README.md

@@ -39,7 +39,6 @@ The chals below are listed with recommended ones first, then the rest in alphabe
 - [CpawCTF2](https://ctf2.cpaw.site/)
 - [CpawCTF](https://ctf.cpaw.site/) <img src="https://img.shields.io/badge/difficulty-beginner-green.svg"> <img src="https://img.shields.io/badge/language-japanese-orange.svg">
 - [Defend the Web](https://defendtheweb.net/?hackthis)
-- [Dreamhack](https://dreamhack.io/wargame)
 - [ExploitExercises Main Sequence](https://exploit.education/main-sequence/) <img src="https://img.shields.io/badge/style-offline-lightgrey.svg"> <img src="https://img.shields.io/badge/scoring-no-lightgrey.svg">
 - [ExploitExercises Nebula](https://exploit.education/nebula/) <img src="https://img.shields.io/badge/difficulty-beginner-green.svg"> <img src="https://img.shields.io/badge/style-offline-lightgrey.svg"> <img src="https://img.shields.io/badge/scoring-no-lightgrey.svg">
 - [Flagyard](https://flagyard.com/)
@@ -163,6 +162,7 @@ I track them here to periodically check for their return (which does happen some
 -  [Bright Shadows](http://bright-shadows.net/) <img src="https://img.shields.io/badge/status-dead-red.svg">
 -  [CHALLENGE LAND](http://challengeland.co/) <img src="https://img.shields.io/badge/status-dead-red.svg">
 -  [ctfs.me](http://ctfs.me/) <img src="https://img.shields.io/badge/status-dead-red.svg">
+-  [Dreamhack](https://dreamhack.io/wargame) - <span style="color: rgba(0, 0, 0, 0.2);">probably up, but not functional in my CI</span>
 -  [HackBurger](https://hackburger.ee/) <img src="https://img.shields.io/badge/status-dead-red.svg">
 -  [HackMe](https://hack.me/) <img src="https://img.shields.io/badge/status-dead-red.svg">
 -  [HallsOfValhalla](https://halls-of-valhalla.org/beta/) <img src="https://img.shields.io/badge/status-dead-red.svg">