tkn hub install should check pipeline version and warn if incompatible

[sm43]

When installing a task using tkn hub minimum pipeline version should be checked with the pipelines version installed in the cluster.
If it is incompatible, the user should be warned

[sm43]

/close
can be addressed once the install command gets in. Whether we want to add apply in tkn-hub is yet to be discussed as we have kubectl for that and tkn also doesn't have that feature.
currently it can be done as tkn-hub get task buildah | kubectl apply -f

[tekton-robot]

@sm43: Closing this issue.

In response to this:

/close
can be addressed once the install command gets in. Whether we want to add apply in tkn-hub is yet to be discussed as we have kubectl for that and tkn also doesn't have that feature.
currently it can be done as tkn-hub get task buildah | kubectl apply -f

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[sthaha]

/reopen
We would still need a sub-command to validate if the cluster meets the requirement of a resource. e.g. tkn hub validate-install task/foobar/1.0 can validate if the cluster meets the requirements (minPipelineVersion).

[tekton-robot]

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/lifecycle stale

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[tekton-robot]

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Mark the issue as fresh with /remove-lifecycle rotten with a justification.
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[vinamra28]

/remove-lifecycle rotten
/lifecycle frozen