alertmanager-irc-relay: upgrade to 0.4.3

Bump pkgrels on metrics packages

alertmanager-irc-relay: upgrade to 1ef886d2e73e9eae1a1be15d515f9d3051b18129

alertmanager-irc-relay: bump pkgrel

alertmanager-irc-relay: add default_prepare

We were not applying the patches without this.

alertmanager-irc-relay: add PRIVMSG patch

alertmanager-irc-relay: bump pkgrel & fix confd

alertmanager-irc-relay: fix up initd/confd

alertmanager-irc-relay: new aport