[monitoring] Add metrics collector

[duckhawk]

Description

Add metric collector for sds-node-configurator agent

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

We need metrics for node-configurator monitoring

What is the expected result?

Node configurator metrics collector

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.