Commission Implementing Regulation (EU) 2021/1424 of 31 August 2021 concerning the renewal of the authorisation of a preparation of Enterococcus faecium DSM 7134 as a feed additive for chickens for fattening, and repealing Regulation (EU) No 998/2010 (holder of authorisation Lactosan GmbH & Co KG) (Text with EEA relevance)