Case C-773/21 P: Order of the Court (Sixth Chamber) of 16 November 2023 — AV, AW v European Parliament (Appeal — Civil service — Officials — Disciplinary proceedings — Disciplinary penalty — Downgrading — Investigation by the European Anti-Fraud Office (OLAF) — Parallel national criminal proceedings — Power of attorney — Proportionality of the disciplinary penalty — Article 181 of the Rules of Procedure of the Court — Appeal in part manifestly inadmissible and in part manifestly unfounded)