This update for build fixes the following issues:

- Added support for Arch Linux zstd format
- Does now allow to enter buildroots w/o receipe
- qemu vm_type is now running qemu system emulator (works only for aarch64, armv7l,
ppc64/ppc64le, s390/s390x, riscv64) (see this rpm's changelog for more details)

For all technical changes, please refer to this rpm's changelog.

This update was imported from the SUSE:SLE-15:Update update project.