buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -xe; \tsed -i 's/main/main contrib non-free/' /etc/apt/sources.list; \tcurl -fsSL https://packages.blackfire.io/gpg.key | apt-key add -; \techo \"deb https://packages.blackfire.io/debian any main\" | tee /etc/apt/sources.list.d/blackfire.list; \tcurl -fsSL https://packagecloud.io/github/git-lfs/gpgkey | apt-key add -; \techo 'deb https://packagecloud.io/github/git-lfs/debian bullseye main' | tee /etc/apt/sources.list.d/github_git-lfs.list;" did not complete successfully: exit code: 2