sysutils/cpu-microcode-amd: Update to 2025-07-08 release
This update, in part, mitigates transient scheduler attacks affecting
some AMD CPUs. For details, refer to AMD's security bulletin and white
paper:
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7029.html
- https://www.amd.com/content/dam/amd/en/documents/resources/bulletin/technical-guidance-for-mitigating-transient-scheduler-attacks.pdf
Sponsored by: The FreeBSD Foundation