fix(kubevirt): use container_kvm_t SELinux type for hp pods for security compliance

[loktev-d]

Description

Change KubeVirt SELinux launcher type from spc_t to container_kvm_t to comply with Deckhouse baseline pod security policies (D8SeLinux).

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: kubevirt
type: fix
summary: use container_kvm_t SELinux type for KubeVirt pods for security compliance

[deckhouse-BOaTswain]

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