Commission Implementing Regulation (EU) 2020/1993 of 4 December 2020 authorising the placing on the market of selenium-containing yeast (Yarrowia lipolytica) biomass as a novel food under Regulation (EU) 2015/2283 of the European Parliament and of the Council and amending Commission Implementing Regulation (EU) 2017/2470 (Text with EEA relevance)