www/kristall: Mark DEPRECATED

Tried to upgrade this port with latest git commits from upstream and it
still fails to build with OpenSSL 3 so marking this DEPRECATED and set
EXPIRATOIN_DATE to 2023-07-02.

Approved by:	portmgr (blanket)

www/kristall/Makefile

@@ -12,6 +12,8 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_SSL=	openssl30 openssl31
 BROKEN_SSL_REASON=	undefined symbol: RSA_generate_key
+DEPRECATED=	Requires older openssl
+EXPIRATION_DATE=	2023-07-02
 
 LIB_DEPENDS=	libcmark.so:textproc/cmark \
 		libgumbo.so:devel/gumbo