Case C-23/24, RMDA: Order of the President of the Court of 13 May 2024 (request for a preliminary ruling from the Supremo Tribunal Administrativo – Portugal) – Autoridade Tributária e Aduaneira v RMDA – Supermercados Unipessoal, Lda. (Tax on imported second-hand vehicles – Percentage reductions linked to depreciation – Calculation on the basis of a cubic capacity component and an environmental component)