sysutils/cpu-microcode-intel: Update to 2026-09-25 release
This update includes a functional fix for Meteor Lake (06-aa-04/e6,
stepping C0) Core Ultra processors.
Release notes: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20260925
Sponsored by: The FreeBSD Foundation