Using image with "full" reference in tests

[vdemeester]

Changes

This moves any "implicit" references (such as busybox or ubuntu) to full references instead (docker.io/library/busybox, …).

This is related to https://github.com/tektoncd/pipeline/issues/4551. This would help us identify all images using docker.io used in tests and thus migrate from them in the future.

Signed-off-by: Vincent Demeester vdemeest@redhat.com

/kind misc

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Release Notes

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[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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[chitrangpatel]

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[vdemeester]

/retest

[vdemeester]

@JeromeJu @afrittoli ptal 🙏🏼

[JeromeJu]

/lgtm

[AlanGreene]

/retest