ReadonlytitlePR title — must include article type and date.
ReadonlybodyPR body — should contain the STAGE_C_GATE line and summary.
ReadonlybaseBase branch (typically 'main').
ReadonlyheadHead branch (auto-generated by the workflow).
Optional ReadonlylabelsLabels to apply to the PR.
Optional ReadonlydraftWhether to create as draft PR.
Parameters for the safe-outputs PR creation call. Maps to the
safeoutputs___create_pull_requesttool interface.