Change tutorial 30 model

[bilgeyucel]

It seems like there's a problem with the model we use in tutorial 30. Change or fix it
https://github.com/deepset-ai/haystack-tutorials/actions/runs/14960986449/job/42022849655

[anakin87]

It was a temporary bug on HF servers. See deepset-ai/haystack#9370 (comment).