New update provided by Intel - 12 March 2024
Tested on Celeron N4120 (JammyPup64)
Intel-Linux-Processor-Microcode-Data-Files-microcode-20240312
https://www.mediafire.com/file/eeo4v0br ... ar.gz/file
Thanks to @ozsouth
tested on i3-6100 (FossaPup95)