release-0-13-2

[Isteb4k]

1. Fix no bootable device error (wrong api group for pvc)
2. Fix unfreeze for disk devices
3. Improve crd description

Description

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

What is the expected result?

Checklist

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