add on-error annotation for Velero hooks

[qpdpQ]

What this PR does / why we need it:
Add on-error annotations for Velero hooks
If script specified in velero hooks failed, the status of restore CR should be fail as well.

Which issue(s) this PR fixes:
Enhancement for # https://github.ibm.com/IBMPrivateCloud/roadmap/issues/62663

Special notes for your reviewer:

1. How the test is done?

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[ibm-ci-bot]

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This pull-request has been approved by: qpdpQ

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[bluzarraga]

/lgtm