Case C-304/21: Judgment of the Court (Seventh Chamber) of 17 November 2022 (request for a preliminary ruling from the Consiglio di Stato — Italy) — VT v Ministero dell’Interno and Ministero dell’Interno — Dipartimento della Pubblica Sicurezza — Direzione centrale per le risorse umane (Reference for a preliminary ruling — Social policy — Equal treatment in employment and occupation — Article 21 of the Charter of Fundamental Rights of the European Union — Directive 2000/78/EC — Article 2(2), Article 4(1) and Article 6(1) — Prohibition of discrimination on grounds of age — National legislation fixing a maximum age limit of 30 years for the recruitment of police commissioners — Justification)