- Take advantage of `parallel:matrix` to make the jobs definition shorter
and more readable.
- Remove helper scripts which are no longer needed
- Remove redundant indirection in the gitlab-ci pipelines definitions
(only one user)
* Defaults: replace docker with containerd as our default container_manager
* CI: Use docker for download_localhost test
* Defaults: with container_manager=containerd we need etcd_deployment_type=host
* CI: Run weave jobs with docker
* CI: Vagrant don't download_force_cache
* CI: Fix upgrade tests
* should run compatible with old settings, this means docker
* we need to run with a distro that has at least modern containerd,
this means move from debian9 to debian10 to allow `containerd_version`
to match between 2.17 and master
