Case T-705/20: Judgment of the General Court of 15 December 2021 — OI v Commission (Civil service — Officials — Recruitment — Internal competition COM/03/AD/18 (AD 6) — Decision not to include the applicant’s name on the reserve list for the competition — Obligation to state reasons — Secrecy of the selection board’s proceedings — No communication of the intermediate marks or the weighting of the elements of a test specified in the competition notice)