Case C-426/20: Judgment of the Court (Sixth Chamber) of 12 May 2022 (request for a preliminary ruling from the Tribunal Judicial da Comarca de Braga — Juízo do Trabalho de Barcelos — Portugal) — GD, ES v Luso Temp — Empresa de Trabalho Temporário SA (Reference for a preliminary ruling — Social policy — Directive 2008/104/EC — Temporary agency work — Article 5(1) — Principle of equal treatment — Article 3(1)(f) — Concept of ‘basic working and employment conditions of temporary agency workers’ — Compensation for paid annual leave not taken and the corresponding holiday bonus in the event of termination of the employment relationship)