refactor(ci): check version on channel

[universal-itengineer]

Description

Add check version on release channel for sites:

• https://releases.deckhouse.io
• https://deckhouse.ru/modules/virtualization

and check that right version on release channel in docker image registry.deckhouse.io/deckhousemodules/virtualization/release:<channel name>

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.

Changelog entries

section: ci
type: chore
summary: check version on release channel