Update courier-unicode to 2.2.3

devel/courier-unicode/Makefile

 # $FreeBSD$
 
 PORTNAME=	courier-unicode
-PORTVERSION=	2.2.2
+PORTVERSION=	2.2.3
 CATEGORIES=	devel mail
 MASTER_SITES=	SF/courier/${PORTNAME}/${PORTVERSION}
 

devel/courier-unicode/distinfo

-TIMESTAMP = 1616237592
-SHA256 (courier-unicode-2.2.2.tar.bz2) = 9ed00e4b589259e81e09be6e21f24d6ba1159cdb5daa0ed722bebebb4c43fae1
-SIZE (courier-unicode-2.2.2.tar.bz2) = 593419
+TIMESTAMP = 1616836991
+SHA256 (courier-unicode-2.2.3.tar.bz2) = 08ecf5dc97529ce3aa9dcaa085860762de636ebef968bf4b6e0cdfaaf18c7aff
+SIZE (courier-unicode-2.2.3.tar.bz2) = 593337