Update from upstream all-repositories.json

Author: w3cbot

all-repositories.json

@@ -14213,6 +14213,8 @@
   "owner": {
    "login": "w3c-cg"
   },
+  "homepageUrl": "https://www.w3.org/community/ai-content-disclosure/",
+  "description": "W3C AI Content Disclosure Community Group repository for drafts, issues, meeting minutes, and related materials.",
   "isArchived": false,
   "isPrivate": false,
   "w3cjson": {