Wait for at least a successful migrate job run

[tamalsaha]

Description

migrate job has backoff limit 1. Which means, it might fail once before succeeding (typically due to db not ready for connection). This pr allows such a scenario to be considered successful.

References

• https://github.com/groundnuty/k8s-wait-for/blob/master/wait_for.sh#L36-L43

Review Checklist

• I have clicked on "allow edits by maintainers".
• I have added documentation for new/changed functionality in this PR or in a PR to openfga.dev [Provide a link to any relevant PRs in the references section above]
• The correct base branch is being used, if not main
• I have added tests to validate that the change in functionality is working as expected