UEFI tool or MMtool, last resource Hex edit.
After that UBU also can update latest versions of all.
CPUMicrocodes/Intel at master · platomav/CPUMicrocodes (github.com)
[Guide] How to extract/insert/replace EFI BIOS modules by using the UEFITool - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)
[GUIDE] AMI INTEL CPU Microcode Update Guide - Special Topics / CPU Microcodes - Win-Raid Forum (level1techs.com)
Releases · platomav/MCExtractor (github.com)
EDIT:… you still missed one tool. And of course MMtool 4.x is definitely not for a Gen13 bios…
Oh and if the bios is InsydeH2O…forget all that i mentioned and im out of it.
EDIT: Dell Proprietary bios… dump of Bios SOIC16 and ME SOIC8.
“These microcodes are in your BIOS file
GUID 197DB236-F856-4924-90F8-CDF12FB875F3”
EDIT: UBU not suitable here, bios gen too new, UEFI tool or Hex.