Update to enable binfmt

After the rebase on top of Trixie we need to use a different way to enable binfmt depending on the release. For this reason switch to use a helper script which is part of the docker images.

This should fix issues like:

update-binfmts: warning: qemu-aarch64 not in database of installed binary formats.

apertis-issues#843 (closed)

Signed-off-by: Walter Lozano walter.lozano@collabora.com