Case C-351/20 P: Judgment of the Court (Third Chamber) of 13 January 2022 — Liviu Dragnea v European Commission (Appeal — Investigations conducted by the European Anti-Fraud Office (OLAF) — Investigation reports — Request for an investigation to be opened into the conduct of previous OLAF investigations — Request to access documents — Letter of refusal — Article 263 TFEU — Decision against which an action for annulment may be brought — Time limit for bringing proceedings — Action against a letter confirming OLAF’s investigation reports — Regulation (EC) No 1049/2001 — Article 6 and Article 7(2) — Obligation to inform the applicant of his or her right to make a confirmatory application)