committers-ports: add andy

Following up ziaee's pattern, and add andy's line.
I'm not sure whether the original commit bit creation date should be used,
and use commit bit re-activation date for now.

MFC after:	1 week

(cherry picked from commit 0d9b5db)

Author: Dmitry Morozovsky

share/misc/committers-doc.dot

@@ -52,6 +52,7 @@ node [color=lightblue2, style=filled, bgcolor=black];
 "0mp" [label="Mateusz Piotrowski\n0mp@FreeBSD.org\n2019/09/29"]
 ale [label="Alex Dupre\nale@FreeBSD.org\n2003/12/22"]
 allanjude [label="Allan Jude\nallanjude@FreeBSD.org\n2014/05/17"]
+andy [label="Andrey Zakhvatov\nandy@FreeBSD.org\n2025/09/15"]
 bcr [label="Benedict Reuschling\nbcr@FreeBSD.org\n2009/12/24"]
 bhd [label="Björn Heidotting\nbhd@FreeBSD.org\n2014/10/14"]
 blackend [label="Marc Fonvieille\nblackend@FreeBSD.org\n2002/06/16"]