update dasharo/heads and include 0x12b microcode

[notgivenby]

The problem you're addressing (if any)

Current microcode under dasharo/heads is 0x119. This could lead to the CPU degradation (13-th, 14-th gen.) Although the /proc/cpuinfo at least under Qubes in dom0 gives 0x12b it would be wonderful to have the same version like dasharo/coreboot.

Describe the solution you'd like

1. Please update the dasharo/heads CPU microcode.

Where is the value to a user, and who might that user be?

It will help to avoid the 13-th and 14-th CPU degradation.

Describe alternatives you've considered

Switching to dasharo/coreboot or MSI firmware. However, some thread-models would not benefit from it.

Additional context

No response