mail/cyrus-imapd3*: Bump PORTREVISION due to binary incompatibility of recent devel/jansson update

% sudo -u cyrus /usr/local/cyrus/sbin/ctl_cyrusdb -r

ld-elf.so.1: /usr/local/lib/libjansson.so.4: version JANSSON_4 required by /usr/local/lib/libcyrus_imap.so.0 not defined