all: Remove support for end-of-life FreeBSD 14.2 (2025-09-30)

• bsd.port.mk: remove support for EOL FreeBSD 14.2
• devel/gitea-act_runner: update example to FreeBSD 14.3
• multimedia/kamoso: update comment to make it easier to find when looking for end-of-life FreeBSD versions.
• net/libifconfig: prune end-of-life FreeBSD versions.
• net/libpfctl: prune end-of-life FreeBSD versions.
• x11-wm/hyprland: remove support for end-of-life FreeBSD 14.2

Differential Revision: https://reviews.freebsd.org/D52415

Reviewed by: bofh, kde, kp, saheed, tagattie
Approved by: portmgr (implicit)