NO-ISSUE: Allow goup root to write into data dir

[adriengentil]

When deployed on OCP, we need to allow the group "root" to write in
data dir because the UID will be randomly selected.

https://docs.openshift.com/container-platform/4.16/openshift_images/create-images.html#use-uid_create-images

[openshift-ci-robot]

@adriengentil: This pull request explicitly references no jira issue.

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In response to this:

When deployed on OCP, we need to allow the group "root" to write in
data dir because the UID will be randomly selected.

https://docs.openshift.com/container-platform/4.16/openshift_images/create-images.html#use-uid_create-images

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 openshift-eng/jira-lifecycle-plugin repository.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.51%. Comparing base (866a347) to head (cc24363).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #258   +/-   ##
=======================================
  Coverage   65.51%   65.51%           
=======================================
  Files          24       24           
  Lines        1308     1308           
=======================================
  Hits          857      857           
  Misses        310      310           
  Partials      141      141           

[adriengentil]

/retest

[adriengentil]

/cc @pastequo @danmanor

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adriengentil, carbonin

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