This can be considered deprecated, but if you really wish, you can go the extra mile and follow the instructions here as well.
NEWS file: Generate the list of translations from all the commits under the po directory. Note that the actual translator isn’t always the one with who pushed the commit—try to credit the correct person/team. The format is $locale ($translator). Sort alphabetically by locale. This script might assist you.
“Translation updates” can be considered sufficient, see MaintainersCorner/Releasing/MakeThingsEasier.