add award presentation YouTube links IOCCC28 winning entries

Update news to announce YouTube links.

Update tarballs for all of 2024 as well as a recent 2012 update.

Update sitemap.

Ran `make update` to perform the above.

status.html

@@ -461,7 +461,7 @@
         "no_comment" : "mandatory comment: because comments were removed from the original JSON spec",
         "IOCCC_status_version" : "1.0 2024-03-09",
         "contest_status" : "closed",
-        "news_update" : "2025-08-04T19:03:08+00:00",
+        "news_update" : "2025-08-07T03:07:11+00:00",
         "status_update" : "2025-08-01T19:38:14+00:00"
     }</code></pre>