security/openvpn: update to 2.6.9 bug-fix release

ChangeLog:	https://github.com/OpenVPN/openvpn/blob/v2.6.9/Changes.rst#overview-of-changes-in-269
MFH:		2024Q1

security/openvpn/Makefile

 PORTNAME=		openvpn
-DISTVERSION=		2.6.8
-PORTREVISION?=		2
+DISTVERSION=		2.6.9
+PORTREVISION?=		0
 CATEGORIES=		security net net-vpn
 MASTER_SITES=		https://swupdate.openvpn.org/community/releases/ \
 			https://build.openvpn.net/downloads/releases/ \

security/openvpn/distinfo

-TIMESTAMP = 1700585155
-SHA256 (openvpn-2.6.8.tar.gz) = 5ede1565c8a6d880100f7f235317a7ee9eea83d5052db5547f13a9e76af7805d
-SIZE (openvpn-2.6.8.tar.gz) = 1896563
+TIMESTAMP = 1707807057
+SHA256 (openvpn-2.6.9.tar.gz) = e08d147e15b4508dfcd1d6618a1f21f1495f9817a8dadc1eddf0532fa116d7e3
+SIZE (openvpn-2.6.9.tar.gz) = 1901193