Fix CI to run on top of Canonical k8s

### Why it needs to get done

We are moving to support only Canonical k8s, because of this we need to change the CI to run on top of it.

### What needs to get done

1. Fix Integration tests CI 
2. Fix GPU tests CI 

### When is the task considered done

1. Integration tests CI runs on top of Canonical k8s
2. GPU tests CI runs on top of Canonical k8s