adapt JWT verification to new field
The JWT now contains `permissions: {"repo.content.read": true}` instead
of the (soon deprecated) ``read: true`.

fixes https://github.com/huggingface/datasets-server/issues/2620.
adapt JWT verification to new field: The JWT now contains `permissions: {"repo.content.read": true}` instead
of the (soon deprecated) ``read: true`.

fixes https://github.com/huggingface/datasets-server/issues/2620.