Update Advent of Cyber link in 2025-12-23 post

Author: mrbiggred

docs/posts/2025/12/23/index.md

@@ -8,7 +8,7 @@ authors:
 Today's (Dec 23rd, 2025) chat will be some pair hacking on Try Hack Me's Advent of Cyber. I will go through getting the key for side quest 1. Selfishly, I need the final step, I think, to get the key for side quest one, and I'm hoping others can help me.
 
 Advent of Cyber 2025:
-https://lnkd.in/gSQeVTHa
+https://tryhackme.com/adventofcyber25
 
 Details on how to join the chat:
 https://weeklydevchat.com/