Proposed title of this feature request
Add possibility to configure "priorityClassName" to restic pods
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What is the nature and description of the request?

Currently there is no possible way to configure "priorityClassName" for restic pod through the DPA object
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Why does the customer need this? (List the business requirements here)

After worker node outage the restic stay in Pending as the user workload overloads the scheduler making the pods not available to work with them.

Optional: List affected component/s.