buildx failed with: ERROR: failed to solve: process "/bin/sh -c apt-get update -y && apt-get upgrade -y && add-apt-repository ppa:savoury1/ffmpeg4 && add-apt-repository ppa:savoury1/ffmpeg6 && apt-get update -y && apt-get upgrade -y && apt-get dist-upgrade -y && apt-get install ffmpeg -y && ffmpeg -version" did not complete successfully: exit code: 100