Don't ignore webhooks when a dataset changes visibility
See:
- https://github.com/huggingface/moon-landing/issues/8779
- https://github.com/huggingface/moon-landing/pull/8825

A webhook is sent when a dataset is toggle between public and private.

Currently, we ignore them due to 

https://github.com/huggingface/datasets-server/blob/66c1e089e204ab33195b957e1b99b0da6a4dd2de/services/api/src/api/routes/webhook.py#L84-L89

Instead, I think we should delete+update the dataset
Don't ignore webhooks when a dataset changes visibility: See:
- https://github.com/huggingface/moon-landing/issues/8779
- https://github.com/huggingface/moon-landing/pull/8825

A webhook is sent when a dataset is toggle between public and private.

Currently, we ignore them due to 

https://github.com/huggingface/datasets-server/blob/66c1e089e204ab33195b957e1b99b0da6a4dd2de/services/api/src/api/routes/webhook.py#L84-L89

Instead, I think we should delete+update the dataset