irc/hexchat: update to 2.16.2

Changelog:	https://hexchat.readthedocs.io/en/latest/changelog.html#id1

irc/hexchat/Makefile

 PORTNAME=	hexchat
-DISTVERSION=	2.16.1
-PORTREVISION=	5
+DISTVERSION=	2.16.2
 CATEGORIES=	irc gnome
-MASTER_SITES=	https://dl.hexchat.net/hexchat/
+MASTER_SITES=	https://github.com/hexchat/hexchat/releases/download/v${PORTVERSION}/
 
 MAINTAINER=	pkubaj@FreeBSD.org
 COMMENT=	IRC chat program with GTK and Text Frontend

irc/hexchat/distinfo

-TIMESTAMP = 1644739445
-SHA256 (hexchat-2.16.1.tar.xz) = a7e497da71df419daf9855582d51c723a2611de25d5e97b5efc33fe78da5c4c7
-SIZE (hexchat-2.16.1.tar.xz) = 1349536
+TIMESTAMP = 1707573438
+SHA256 (hexchat-2.16.2.tar.xz) = 2e88340a8da274b87373ec0740746da78120cc6fbfdd201a4dd6999cac790e4a
+SIZE (hexchat-2.16.2.tar.xz) = 1352304