feat(vmop): add metrics

[yaroslavborbat]

Description

Add metrics for VMOP d8_virtualization_virtualmachineoperation_status_phase With base labels["name", "namespace", "uid"]

Why do we need it, and what problem does it solve?

we need more metrics

Checklist

• [ ] The code is covered by unit tests.
• [ ] e2e tests passed.
• [ ] Documentation updated according to the changes.
• [X] Changes were tested in the Kubernetes cluster manually.