pfSense

Build net/udpbroadcastrelay. Feature #10818

Rework package repos for 2.6.0-RELEASE

Fix repository config files

Add a new repo called next to point to 2.6.0-RC and reduce differences
between branches

Rework repository config files

Instead of use version on file names, just call them repo, repo-devel
and repo-previous. Also, do not keep relying on variables, instead, use
versions hardcoded to make it easier when changing to newer versions.

Remove AUTH_NIS from www/squid since we set WITHOUT_NIS in src.conf

Add librdkafka package to the pfSense repo. Feature #12290

Unbreak build: vim doesn't have console FLAVOR

vim-console is now a FLAVOR

Ticket #12456: Retire Zabbix 5.2 packages

Remove unused net/realtek-re-kmod from package repo