Align more metadata with other repo types (models,spaces) (#4607)

Remove a copy-paste sentence in dataset cards (#4281)

Update files from the datasets library (from 1.18.0)

Update files from the datasets library (from 1.8.0)

Update files from the datasets library (from 1.7.0)

Update files from the datasets library (from 1.4.0)

Update files from the datasets library (from 1.3.0)