Doc deprecate norm and add seealso to linalg.norm (#57986)
Summary:
**BC-breaking note**
This PR updates the deprecation notice for torch.norm to point users to the new torch.linalg.vector_norm and torch.linalg.matrix_norm functions.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/57986
Reviewed By: nikithamalgifb
Differential Revision: D28353625
Pulled By: heitorschueroff
fbshipit-source-id: 5de77d89f0e84945baa5fea91f73918dc7eeafd4
