Commission Implementing Regulation (EU) 2021/2094 of 29 November 2021 concerning the authorisation of decoquinate (Deccox and Avi-Deccox 60G) as a feed additive for chickens for fattening (holder of authorisation Zoetis Belgium SA) and repealing Regulation (EC) No 1289/2004 (Text with EEA relevance)