fix: update release pipeline for oci-ci-cd cluster compatibility

[infernus01]

Changes

Fix release pipeline failures after enabling PAC-triggered releases.

• Use prerelease_checks_oci.yaml instead of prerelease_checks.yaml since pruner uses Oracle Cloud Storage, not GCS
• Update plumbing revision from aeed19e5 to 0dc3174d since old revision had bare image names (alpine/git) that fail with CRI-O short name enforcement
• Add oci-credentials workspace to precheck task, mapped to release-secret
• Bump oracle-cloud-storage-upload from 0.1 to 0.2

Submitter Checklist

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• Has Docs if any changes are user facing, including updates to minimum requirements e.g. Kubernetes version bumps
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Release Notes

NONE

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[infernus01]

/kind documentation