class14: add YT recording link

Author: verovaleros

classes/class14/meta.json

@@ -3,6 +3,6 @@
     "id": "class-14",
     "description": "The 14th class first focuses on AI security and how LLMs can be attacked. Then, the class does a recap of all the assignments and it finalizes with the NOC talk, where we disclose how the whole class was built and the lessons learned in the process.",
     "google_doc_url": "https://docs.google.com/document/d/1pA2jhlB3oYn1Qm_Fh-cLz8IpZj5o5TvsZFpcyU4k3Yw",
-    "yt_recording_url": "https://www.youtube.com/embed/68QVrrRFmlo",
+    "yt_recording_url": "https://www.youtube.com/embed/UfvnBxQPC0M",
     "starting_time": "2026-01-08T14:30:00+01:00"
-}
+}