Reduce size of containers

[AtomicFS]

The containers at the moment are huge!

567M coreboot_4.19.tar
1.9G uefi_edk2-stable202008.tar
1.9G uefi_edk2-stable202105.tar
1.9G uefi_edk2-stable202111.tar
2.2G uefi_edk2-stable202205.tar
2.5G uefi_edk2-stable202208.tar
2.5G uefi_edk2-stable202211.tar
928M uefi_vudk2017.tar