Bumps [github.com/vbauerster/mpb/v6](https://github.com/vbauerster/mpb) from 6.0.3 to 6.0.4. - [Release notes](https://github.com/vbauerster/mpb/releases) - [Commits](https://github.com/vbauerster/mpb/compare/v6.0.3...v6.0.4) Signed-off-by: dependabot[bot] <support@github.com>
Also bump docker/docker. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>