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

Fix description links in dataset cards (#4222)

Update files from the datasets library (from 1.18.0)

Update files from the datasets library (from 1.7.0)

Update files from the datasets library (from 1.6.1)

Update files from the datasets library (from 1.3.0)

Update files from the datasets library (from 1.2.0)