This is a combination of all the commits.

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Enable Robot Tests

Enabling robot tests in CI/CD pipeline
Propagate the parameter DO_ROBOT to stage_3-merge
Setting OSM_HOSTNAME for robot test execution
Adding prometheus_hostname env variable for ci/cd tests
Archive containers logs in robot test execution

Signed-off-by: beierlm <mark.beierl@canonical.com>
Author: Felipe Vicens <felipe.vicens@atos.net>

8716 - K8s Proxy Charms

This commit contains the following changes:

- Changes to LCM Charm to configure vca k8s cloud
- K8s installation:
  - Add storageclass to K8s
  - Add k8s to VCA
  - Configure lcm.env to pass k8s cloud name
- Pass k8s cloud name to LCM Charm in charmed
installation
- Pin juju version tu 2.8/stable
- Instal juju after Microk8s in charmed
installation

Signed-off-by: Dominik Fleischmann <dominik.fleischmann@canonical.com>

Add PLA charm

Signed-off-by: David Garcia <david.garcia@canonical.com>
...