maintainer-feedback requested: [Bug 270422] devel/icu: update to 73.1

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 23 Mar 2023 19:18:00 UTC
Bugzilla Automation <bugzilla@FreeBSD.org> has asked FreeBSD Office Team
<office@FreeBSD.org> for maintainer-feedback:
Bug 270422: devel/icu: update to 73.1
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270422