Automated submodule update: tensorpipe (#52930)
Summary:
This is an automated pull request to update the first-party submodule for [pytorch/tensorpipe](https://github.com/pytorch/tensorpipe).
New submodule commit: https://github.com/pytorch/tensorpipe/commit/4b9f7f8abe789bfbecc4610a99c41abb8ec58372
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52930
Test Plan: Ensure that CI jobs succeed on GitHub before landing.
Reviewed By: lw
Differential Revision: D26694739
fbshipit-source-id: d8c835f6e74fec6e2c9a3a6e6713926ccf7dcedd
