update instalation instruction for Ubuntu cri-o.io

[Slach]

No description provided.

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[Slach]

/assign @haircommander

[Slach]

how I can add DCO signoff?

[TomSweeneyRedHat]

@Slach you need to do git commit --amend -s and then repush.
The changes LGTM

[openshift-ci-robot]

Thanks for your pull request. Before we can look at it, you'll need to add a 'DCO signoff' to your commits.

📝 Please follow instructions in the contributing guide to update your commits with the DCO

Full details of the Developer Certificate of Origin can be found at developercertificate.org.

The list of commits missing DCO signoff:

• 170d880 update instalation instruction for Ubuntu cri-o.io

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