Incorporate tekton/catalog recommendations

[djzager]

Tekton has a nice document with recommendations for Task authors: https://github.com/tektoncd/catalog/blob/main/recommendations.md we should incorporate the suggestions in this project.

Most importantly is this one that deals with string interpolation of params, we need to address this in our tasks.

[github-actions]

This issue is currently awaiting triage.
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[djzager]

/kind bug
/priority urgent

[openshift-ci]

@djzager: The label(s) priority/urgent cannot be applied, because the repository doesn't have them.

Details

In response to this:

/kind bug
/priority urgent

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[djzager]

/triage accepted

[github-actions]

This issue synced with: https://issues.redhat.com/browse/MTRHO-126