Re: list of acknowledgments for PG16

[Pavel Borisov]

I'm not completely sure what should be in this list, but maybe also
tuplesort extensibility [1]? [1]
https://www.postgresql.org/message-id/flat/CALT9ZEHjgO_r2cFr35%3Du9xZa6Ji2e7oVfSEBRBj0Gc%2BtJjTxSg%40mail.gmail.com#201dc4202af38f224a1e3acc78795199