Merge branch 'maintainers-recognize-kuniyuki-iwashima-as-a-maintainer'

Jakub Kicinski says:

====================
MAINTAINERS: recognize Kuniyuki Iwashima as a maintainer

Kuniyuki Iwashima has been a prolific contributor and trusted reviewer
for some core portions of the networking stack for a couple of years now.
Formalize some obvious areas of his expertise and list him as a maintainer.
====================

Link: https://patch.msgid.link/20250202014728.1005003-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>