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

[vrutkovs]

Spin-off from https://github.com/openshift/origin/pull/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 https://github.com/openshift/origin/pull/29074

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[vrutkovs]

/cc @deads2k

[openshift-ci[bot]]

@vrutkovs: The following test 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-ipsec-serial	43ba466d66264900d65744462e8e3134c54f6eae	link	false	/test e2e-aws-ovn-ipsec-serial

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[vrutkovs]

/retest

[deads2k]

/approve

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: deads2k, dinhxuanvu, sanchezl, vrutkovs

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• ~~OWNERS~~ [deads2k]
• ~~tls/violations/OWNERS~~ [deads2k]

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