apt backend: install apt-transport-https
apt backend: install apt-transport-https

Running 'sudo curl https://repositories.scylladb.com/scylla/repo/xxxx/debian/scylladb-2.0-jessie.list ...
Running 'sudo apt-get update'
[stderr] E: The method driver /usr/lib/apt/methods/https could not be found.

Signed-off-by: Amos Kong <eb01d8f828a6c9a20be4534e72e049aaf41503df@scylladb.com>

scylladb/scylla-artifact-tests,scylladb/scylla-artifact-tests