CI: workload cluster deletion test is outdated
The workload cluster deletion CI test needs to be update to reflect the fact that it is now the SylvaUnitsRelease resource that needs to be delete, not the sylva-units HelmRelease.
The workload cluster deletion CI test needs to be update to reflect the fact that it is now the SylvaUnitsRelease resource that needs to be delete, not the sylva-units HelmRelease.