Case C-576/20: Judgment of the Court (Second Chamber) of 7 July 2022 (request for a preliminary ruling from the Oberster Gerichtshof — Austria) — CC v Pensionsversicherungsanstalt (Reference for a preliminary ruling — Social security for migrant workers — Regulation (EC) No 987/2009 — Article 44(2) — Scope — Old-age pension — Calculation — Taking into account of child-raising periods completed in other Member States — Article 21 TFEU — Free movement of citizens)