mail/slapd-cyrus: Update dependency

- Update dependency to a more recent supported cyrus-imapd
- Add LICENSE GPLv2
- Mark DEPRECATED as last upstream release was in 2013
- Set EXPIRATION_DATE to 2023-10-20

mail/slapd-cyrus/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	slapd-cyrus
 PORTVERSION=	1.00
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	mail net
 MASTER_SITES=	SF/${PORTNAME}
 DISTNAME=	Slapd-Backend-Cyrus-${PORTVERSION}
@@ -9,7 +9,12 @@ MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Slapd backend to translate DIT into Cyrus configuration
 WWW=		http://slapd-cyrus.sourceforge.net
 
-BUILD_DEPENDS=	cyrus-imapd24>=0:mail/cyrus-imapd24 \
+LICENSE=	GPLv2 # Mentioned in WWW
+
+DEPRECATED=	Last upstream release was in 2013
+EXPIRATION_DATE=	2023-10-20
+
+BUILD_DEPENDS=	cyrus-imapd25>=0:mail/cyrus-imapd25 \
 		p5-BerkeleyDB>=0:databases/p5-BerkeleyDB \
 		p5-Class-Accessor-Lvalue>=0:devel/p5-Class-Accessor-Lvalue \
 		p5-IO-String>=0:devel/p5-IO-String \