Fix `volume.beta.kubernetes.io/storage-class` deprecation warning
A few Kubernetes configurations still contain the volume.beta.kubernetes.io/storage-class annotation. This should be replaced by the storageClassName attribute instead. While the feature is still working, it will be deprecated in a future release of Kubernetes.
Affected files:
continuousintegration/ci_runner/generate_librarydevice_PV.shcontinuousintegration/orchestration/pvc_library_ibm.yamlcontinuousintegration/orchestration/pvc_library_mhvtl.yaml