Case C-7/22 P: Judgment of the Court (First Chamber) of 6 July 2023 — RQ v Council of the European Union, European Commission (Appeal — Actions for damages — Economic and monetary policy — Restructuring of Greek public debt — Private sector involvement — Damage caused by a reduction in the nominal value of newly issued State bonds compared with the value of cancelled bonds — Statements by the heads of State or Government of the euro zone and the institutions of the European Union — Decisions of the Euro Group — Informal and intergovernmental nature of the Euro Group — Non-contractual liability of the European Union — Possibility of attributing damage)