firewall4: update to latest Git HEAD
fc83d46 ruleset: set auto-merge directive for interval sets
9bce873 fw4: fix skipping invalid ipset entries
425ea8a fw4: fix applying zone flags for source bound rules
a378883 fw4: fix emitting family specific redirect rules without any addrs
11feddf fw4: bracketize IPv6 addresses in dnat addr:port notation
9972f7d fw4: ensure to capitalize weekday names
fde8070 treewide: forward compatibility changes
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(backported from commits
1a35ac99905adc35059489d6e19c7de42ef4cc01 and
af02a12d7ccb64a3abbd9683dd22275b538f6d50)