API-1789: tls: add /etc/kubernetes/kubeconfig to known CA bundles

[vrutkovs]

Spin-off from #29074

[openshift-ci-robot]

@vrutkovs: This pull request references API-1789 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.18.0" version, but no target version was set.

In response to this:

Spin-off from #29074

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: vrutkovs
Once this PR has been reviewed and has the lgtm label, please assign deads2k for approval. For more information see the Kubernetes Code Review Process.

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[vrutkovs]

/cc @deads2k

[openshift-ci]

@vrutkovs: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-aws-ovn-single-node-serial	43ba466	link	false	/test e2e-aws-ovn-single-node-serial
ci/prow/e2e-aws-ovn-single-node	43ba466	link	false	/test e2e-aws-ovn-single-node
ci/prow/e2e-aws-ovn-fips	43ba466	link	true	/test e2e-aws-ovn-fips
ci/prow/e2e-metal-ipi-ovn-kube-apiserver-rollout	43ba466	link	false	/test e2e-metal-ipi-ovn-kube-apiserver-rollout
ci/prow/e2e-aws-ovn-ipsec-serial	43ba466	link	false	/test e2e-aws-ovn-ipsec-serial

Full PR test history. Your PR dashboard.

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