chore(core): fix nil map panic when kube-apiserver is not healthy

[diafour]

Description

Change 3p-kubevirt to v1.3.1-v12n.19 tag.

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

API server may return empty node without API error if there are problem with interaction between kube-apiserver and etcd.

Rare situation, but worth to fix.

deckhouse/3p-kubevirt#35

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: core
type: chore
summary: fix nil map panic when kube-apiserver is not healthy

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR updates the 3p-kubevirt component version in build/components/versions.yml to v1.3.1-v12n.19, bringing in the nil map panic fix when the kube-apiserver is unhealthy.

File-Level Changes

Change	Details	Files
Bump 3p-kubevirt version to include nil map panic fix	Updated 3p-kubevirt tag from v1.3.1-v12n.17 to v1.3.1-v12n.19	build/components/versions.yml

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[yaroslavborbat]

should be merged after #1569