[release-4.14] Bump fedora-coreos to latest stable

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vrutkovs

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[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vrutkovs

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

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openshift/okd-machine-os/blob/release-4.14/OWNERS)~~ [vrutkovs] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD 6921169675ef0947336970669a273ac431060ce0 and 2 for PR HEAD 5f92e2264c14b2d99b57cb348459f30dd840debe in total

[openshift-ci[bot]]

@vrutkovs: all tests passed!

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