Implement .pipeline-policy-pre stage dependency for all jobs

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With #469256 (closed) we want to prevent jobs with needs: [] from running before the .pipeline-policy-pre stage is complete. A use case for this is to create a compliance check job that runs first and if it fails, fail the pipeline. To support this we can introduce a workflow rule to cancel all other jobs like this:

workflow:
  auto_cancel:
    on_pipeline_execution_policy_job_failure: all