* ci: redefine multinode to node-etcd-client
This should allow to catch several class of problem rather than just
one -> from network plugin such as calico or cilium talking directly to
the etcd.
* Dynamically define etcd host range
This has two benefits:
- We don't play the etcd role twice for no reason
- We have access to the whole cluster (if needed) to use things like
group_by.
* Fix containerd_registries in config_path for mirrors and remove nerdctl global insecure_registry setting
* Make containerd hosts.toml mode 0640
* Add containerd_registries_mirrors and keep containerd_registries to pass packet_debian11-calico-upgrade
* PHASE 2 - Enable Packet-CI in gitlab
* Add gitlab files
* Reset files back and only keep Packet
* Include packet
* Add missing Upgrade Tests
* Update GCE jobs etc
* Fix bug
* Yaml lint all gitlab files
* Remove GCE
* Test
* Test again
* Enable GCE again
* Install requirements
* Cleanup the gitlab file
* Cleanup runner tags
* Install requirements
* Test
* Test variables for gce
* Test again
* Test again
* Fix
* Update