Call pip3 with `--break-system-packages` allowing it to install packages system-wide. This fixes building the Docker container. Change-Id: Id093f2c69fec43556c434fbca7b36095a7e6bd97 Signed-off-by: Felix Singer <felixsinger@posteo.net> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74292 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-by: Martin L Roth <gaumless@gmail.com>