Case C-321/21 P: Judgment of the Court (Fourth Chamber) of 28 September 2023 — Ryanair DAC v European Commission, Kingdom of Denmark, French Republic, SAS AB (Appeal — State aid — Article 107(2)(b) TFEU — Danish air transport market — Aid granted by the Kingdom of Denmark to an airline amid the COVID-19 pandemic — Temporary Framework for State aid measures — State guarantee for a revolving credit facility — Decision by the European Commission not to raise objections — Aid intended to make good the damage suffered by a single victim — Principles of proportionality and non-discrimination — Freedom of establishment and freedom to provide services)