add news for 2025-04-19

The **IOCCC28** **OPEN** period has reached the half-way point.
This is a _gentle suggestion_ to not wait until the last minute to write, test
and upload your submission.

The **IOCCC28** is [open for registration](https://www.ioccc.org/next/register.html).
Those who have registered have until **2025-06-05 04:03:02.010099 UTC** to
[upload their submissions](https://www.ioccc.org/next/submit.html).

See "[how enter the IOCCC](https://www.ioccc.org/quick-start.html#enter)" for more information.

status.html

@@ -434,7 +434,7 @@
         "no_comment" : "mandatory comment: because comments were removed from the original JSON spec",
         "IOCCC_status_version" : "1.0 2024-03-09",
         "contest_status" : "open",
-        "news_update" : "2025-04-16T20:59:19+00:00",
+        "news_update" : "2025-04-19T23:58:38+00:00",
         "status_update" : "2025-04-17T23:44:26+00:00"
     }</code></pre>