[FileStore] log timeout in err msg (#69167)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69167
Per title
ghstack-source-id: 144378083
Test Plan: Ci
Reviewed By: H-Huang
Differential Revision: D32736119
fbshipit-source-id: f37fd3e4ac393c07eb8bd1f9202841d33d0a8aad
