Case C-309/23 P: Judgment of the Court (Sixth Chamber) of 5 September 2024 – SE v European Commission (Appeal – Civil service – Members of the temporary staff – Recruitment – European Commission’s pilot programme for recruiting junior administrators – Rejection of application – Eligibility conditions – Criterion of a maximum of three years of professional experience – Equal treatment – Discrimination based on age – Competence to adopt the criterion at issue)