Install `bzip2` dependency
bzip2 isn't installed by default on Debian bullseye, and https://gitlab.cri.epita.fr/cri/iac/ansible/roles/restic/-/blob/master/tasks/main.yml#L70 makes it a dependency.
bzip2 isn't installed by default on Debian bullseye, and https://gitlab.cri.epita.fr/cri/iac/ansible/roles/restic/-/blob/master/tasks/main.yml#L70 makes it a dependency.