Automated submodule update: tensorpipe (pytorch#69089)

Summary:
This is an automated pull request to update the first-party submodule for [pytorch/tensorpipe](https://github.com/pytorch/tensorpipe).

New submodule commit: pytorch/tensorpipe@ed4bbe5

Pull Request resolved: pytorch#69089

Test Plan: Ensure that CI jobs succeed on GitHub before landing.

Reviewed By: lw

Differential Revision: D32725534

fbshipit-source-id: 73b1e0f67c957ca0220cd47179dd4b350a98fd33