The example link is wrong in FSDP adavnced tutorial

[chudegao]

Add Link

https://pytorch.org/tutorials/intermediate/FSDP_adavnced_tutorial.html

Describe the bug

The 'Pytorch Examples.' and summarization_dataset. refer to invalid URL(URL is updated recently).

Describe your environment

N/A as It's a doc issue

cc @sekyondaMeta @svekars @carljparker @NicolasHug @kit1980 @subramen

[ptrblck]

Wrong links also reported here, as it seems @HamidShojanazeri's repo might not be compatible with 2.0.1+ anymore. The user reports https://github.com/pytorch/examples/tree/main/distributed/FSDP would work.

CC @svekars

[spzala]

/assigntome