ci: chainsaw minio-cleanup Job status assertion times out intermittently

`Clear the MinIO bucket` step fails intermittently across several chainsaw suites (barman-plugin-backup-restore, barman-plugin-migration, replica, postgresql-minio-backup-restore, timescale-minio-backup-restore) with:

* status.succeeded: Required value: field not found in the input object

on `batch/v1/Job/.../minio-cleanup`, after a ~7min ErrorTimeout wait. Job's `status.succeeded` never gets set in time (or the Job never completes).

Confirmed not tied to any specific PR's diff: same 5 jobs fail identically same-day on unrelated PRs #1010 (cert-manager/renovate config only) and #1014 (sync generated files) - different diffs, same failure signature.

Start by reproducing the Clear the MinIO bucket failure in the listed Chainsaw suites and inspect the minio-cleanup Job status assertion and completion behavior. Done means the cleanup Job completes reliably and the status.succeeded assertion no longer waits until ErrorTimeout across those suites.

Written by the indexing model from the issue text.